Boss Pedal Thumb Screw and Rubber Grommet Replacement Set Available in 4 / 10 Packs (4-Pack includes 4 Screws + 4 Grommets) Upgrade your guitar rig with this replacement thumb screw and grommet set, designed to fit most Boss compact pedals. Whether you?ve lost a screw or need better grip during live shows, these durable replacements offer quick fixes and improved handling. ? Fits Most Boss Pedals ? Designed for compatibility with popular Boss stompboxes (DS-1, SD-1, CH-1, etc.) ? Precision Fit ? M3 x 0.5mm thread ensures secure fastening into the pedal enclosure ? Durable Stainless Steel ? Rust-resistant 18-8 steel for long-term use in touring and studio environments ? Ergonomic Knob Design ? Acetylene plastic knob offers easy finger tightening with no tools required ? Includes Rubber Grommets ? Reduces rattle and cushions the screw, just like factory originals All items ship daily from our California warehouse via USPS Ground Advantage with tracking. Returns accepted within 30 days. Metric Equivalent: Thread = M3 x 0.5mm Brand: Western Supply Warehouse Model: Boss Thumb Screw Set with Grommet Ideal For: Boss pedalboard users, gigging musicians, studio techs, DIY pedal modding, pedalboard maintenance, repair kits, backup gear bags. Keywords: boss pedal screw, boss grommet, thumb screw replacement, guitar pedal part, stompbox screw, boss parts, M3 thumb screw, compact pedal screw, grommet washer, repair part, pedalboard accessories, fx pedal screw, boss pedalboard fix, knob screw, fx unit thumb screw, m3x0.5, mini screw, pedal grommet, studio hardware, effects pedal screw, music gear fix, stainless screw, boss style thumb knob, DIY pedal build, replacement grommets, boss compatible screw, replacement thumb screw, boss footswitch repair, compact pedal grommet, pedal hardware set, guitar maintenance, studio backup kit, guitar fx repair, pedal screw set, knob replacement, electronics repair screw, touring pedal parts, boss pedalboard essentials, DIY guitar repair, compact pedal hardware, screw grommet set, pedal thumb knob, fx screw repair, boss pedal screw kit