Synth & Eurorack Parts / DIY
Our Synth & Eurorack Parts / DIY category is a curated list of items that are commonly found in synth/eurorack projects. The items and filters here do not represent our full lineup of parts. If you don't see what you are looking for, check out our main categories or send us a suggestion and we'll look into adding it.

High-quality USA made knobs from Rogan Corp. These small, skirted pointer knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm D-shafts.
For a T18 knurled version of this knob, see P-K271PS-W. A variety of different sizes are available from the PT Series.
- Height: 0.71 in.
- Diameter:0.57 in.
- Fits 6mm D Shafts
- Indicator on round side of D-shaft
For a T18 knurled version of this knob, see P-K271PS-W. A variety of different sizes are available from the PT Series.
$1.65

Colors Available:
$0.95

Colors Available:
- Height: 0.50 in.
- Length: 1.13 in.
- Fits ¼" shaft with set screw
Starting at $1.99

High-quality USA made knobs from Rogan Corp. These medium, skirted knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm D-shafts.
A variety of different sizes are available from the PT Series.
- Height: 0.84 in.
- Diameter: 0.62 in.
- Fits 6mm D Shafts
- No indicator
A variety of different sizes are available from the PT Series.
$1.65

Small black plastic control knob with set screw and brass insert. These unique knobs are similar in style to the Davies 1140. They have a thick decorative knurl. A white dot as well as a vertical cutout channel serve as the indicator. Fits ¼” (6.35mm) pot shafts.
$0.89

Black plastic control knob with set screw and brass insert. The grip has a thick vertical knurl with an indicator line on a raised top. This skirted knob is a close match to the knobs used on some late 1960s Fuzz Face® pedals as well as the Eric Johnson signature model. Fits ¼” (6.35mm) pot shafts.
- Height: 0.77 in.
- Diameter: 0.87 in.
- Fits ¼" shaft with set screw
$0.99

High-quality USA made knobs from Rogan Corp. These large, skirted pointer knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm D-shafts.
A variety of different sizes are available from the PT Series.
- Height: 0.71 in
- Diameter: 0.73 in
- Fits 6mm D Shafts
- Indicator on round side of D-shaft
A variety of different sizes are available from the PT Series.
$1.75

Colors Available:
$1.55

High-quality USA made knobs from Davies Molding. The 8000 series knobs are made of solid phenolic and feature a classic teardrop design. The detailed design makes these knobs a striking addition to any piece of equipment. This unique design has been used on a variety of tools and instruments. Davies 8005 (Small)
Davies 8010 (Large)
- Height: 0.78 in.
- Length: 1.05 in.
- Fits ¼" shaft with set screw
Davies 8010 (Large)
- Height: 1 in.
- Length: 1.25 in.
- Fits ¼" shaft with set screw
$3.95

Colors Available:
$2.99

High-quality USA made knobs from Rogan Corp. These extra large, puck-shaped, skirted pointer knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm D-shafts.
A variety of different sizes are available from the PT Series.
- Height: 0.63 in.
- Diameter:1.25 in.
- Fits 6mm D Shafts
- Indicator on round side of D-shaft
A variety of different sizes are available from the PT Series.
$1.95

Colors Available:
$0.95

High quality chicken head knobs with vintage gaunt design. The gaunt chicken head has a thinner band that extends above the base allowing for easy manipulation of the knob. This knob has a thick infilled indicator line and is made of solid phenolic. Fits 0.25” (6.35mm) shafts with set screw and brass insert.
- Height: 0.67 in.
- Length: 1.26 in.
- Fits ¼" shaft with set screw
$1.20

Colors Available:
Starting at $1.15

Colors Available:
- Height: 0.66 in.
- Diameter: 0.90 in
- Fits ¼" shaft with set screw
A variety of sizes and colors are available from the RB-67 Series. See the links below for the full selection of knobs from this series. P-K770-X Small P-K770S-X Small Skirted P-K771S-X Medium Skirted P-K772S-B Large Skirted
$3.95

High-quality USA made knobs from Rogan Corp. These phenolic knobs feature a brushed aluminum inlay, a small skirt and an infilled indicator line. 155 Series knobs can be found on classic gear from Sunn, Music Man, Gibson and others. Fits ¼" shaft potentiometers.
A variety of different knobs are available from the 155 Series. See the links below for the full selection. P-K155-2 0-10 Witch Hat P-K155-3 Large Witch Hat w/ Arrow
- Height: 0.62 in.
- Diameter: 0.84 in.
- Fits ¼" shaft with set screw
A variety of different knobs are available from the 155 Series. See the links below for the full selection. P-K155-2 0-10 Witch Hat P-K155-3 Large Witch Hat w/ Arrow
$2.75

Colors Available:
- Height: 11mm
- Diameter: 15mm
- Fits 1/4" shaft with set screw
Starting at $0.75

High-quality USA made knobs from Rogan Corp. These large knobs feature a metal insert, spun aluminum inlay, and a skirt with an infilled arrow indicator. The RB-67 Series from Rogan is popularly used on Buchla 200 Series modular synthesizers and can be found on many contemporary eurorack synthesizers.
A variety of sizes and colors are available from the RB-67 Series. See the links below for the full selection of knobs from this series. P-K770-X Small P-K770S-X Small Skirted P-K771S-X Medium Skirted P-K772S-B Large Skirted
- Height: 1.02 in.
- Diameter: 1.52 in.
- Fits ¼" shaft with set screw
A variety of sizes and colors are available from the RB-67 Series. See the links below for the full selection of knobs from this series. P-K770-X Small P-K770S-X Small Skirted P-K771S-X Medium Skirted P-K772S-B Large Skirted
$4.95

High-quality USA made knobs from Rogan Corp. These small pointer knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm T18 knurled shafts.
For a D-shaft version of this knob, see P-K281P-W. A variety of different sizes are available from the PT Series. See the links below for the full selection of knurled shaft knobs from this series. P-K271PS-W 1PS Small Skirted Pointer P-K272P-W 2P Medium Pointer P-K272PS-W 2PS Medium Skirted Pointer
- Height: 0.55 in.
- Diameter: 0.45 in.
- Fits T18 Knurled Shafts
For a D-shaft version of this knob, see P-K281P-W. A variety of different sizes are available from the PT Series. See the links below for the full selection of knurled shaft knobs from this series. P-K271PS-W 1PS Small Skirted Pointer P-K272P-W 2P Medium Pointer P-K272PS-W 2PS Medium Skirted Pointer
$1.65

Colors Available:
Starting at $0.99

High-quality USA made knobs from Davies Molding. The large skirted 1919 pointer knob is made of solid phenolic and features an infilled indicator line. The pointer has an overall length of 1.25” and the skirt’s diameter is 1.13”. This knob shares design elements of the Davies 19xx knobs allowing for a uniform look while using a variety of knob shapes and styles.
- Height: 0.625 in
- Length: 1.25 in.
- Fits ¼" shaft with set screw
$2.95

High-quality USA made knobs from Rogan Corp. These medium pointer knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm T18 knurled shafts.
For a D-shaft version of this knob, see P-K282P-W. A variety of different sizes are available from the PT Series. See the links below for the full selection of knurled shaft knobs from this series. P-K271P-W 1P Small Pointer P-K271PS-W 1PS Small Skirted Pointer P-K272PS-W 2PS Medium Skirted Pointer
- Height: 0.68 in.
- Diameter: 0.50 in.
- Fits T18 Knurled Shafts
For a D-shaft version of this knob, see P-K282P-W. A variety of different sizes are available from the PT Series. See the links below for the full selection of knurled shaft knobs from this series. P-K271P-W 1P Small Pointer P-K271PS-W 1PS Small Skirted Pointer P-K272PS-W 2PS Medium Skirted Pointer
$1.65

Genuine Dunlop replacement small knurled knob for MXR pedals. Push -on style knob designed for use with coarse knurled shafts.
$3.67

Colors Available:
- Height: 0.38 in.
- Length: 0.84 in.
- Fits ¼" shaft with set screw
Starting at $1.75