Specification Brand : guyker BulletPoint1 : The Inner hollow shaft diameter is Approx. 6mm (0.24") in diameter. BulletPoint2 : Material: zinc alloy. Simple and quick to install. Durable and long-lasting use. BulletPoint3 : Use these dome control knobs to dress up your electric guitar bass or replace the dirty or old knobs. BulletPoint4 : Great replacement or upgrade for your broken, dirty or old control knob. BulletPoint5 : Special snake shape top with different colors, eye-catching. BulletPoint6 : 【EASY TO INSTALL】 Guitar tuning keys set with 3 left and 3 right machine heads, and comes with wrench and screwdriver, which is easy to install Color : Black Body ExternallyAssignedProductIdentifier1 : 791986857459 ExternallyAssignedProductIdentifier2 : 0791986857459 FinishType : Polished GpsrSafetyAttestation : 1 GuitarBridgeSystem : Tremolo GuitarPickupConfiguration : S-S IncludedComponents : Tuner ×6 (3x L + 3R), screws ×6, nuts x6, gaskets x6, hex wrench ×1, small screwdriver 1x ItemName : Guyker Guitar Bass Potentiometer Control Knobs with 6mm Dia. Shaft Pots - 3PCS Zinc alloy Speed Tone Volume Knob Replacement Part, (Ancient Silver Green Snake Top, black body) ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : tuning-devices electric-guitar-knobs Manufacturer : guyker Material : Zinc ModelName : Guitar Tuners ModelNumber : 6mm Guitar Bass Potentiometer Knob NumberOfBoxes : 1 NumberOfItems : 26 NumberOfStrings : 6 PartNumber : G-knob-070-black-top2silver ProductDescription : Professional-Grade Tuning Performance ✅ Enclosed Locking System Fully sealed housing protects gears from dust/humidity, 3x longer lifespan than open-gear tuners. Patented string-lock mechanism replaces manual winding, ensures 60% more even tension distribution for rock-solid tuning stability. ✅ Universal Fit & Heavy-Duty Build Pre-configured 3L3R (3 Left + 3 Right) layout fits most acoustic (Dreadnought, Jumbo) & electric guitars (Strat, LP, etc.). Zinc alloy body + hardened steel gears withstand heavy string tension (0.10-0.52 gauges), ideal for stage and studio use. ✅ Precision Redefined 15:1 gear ratio delivers ±0.5 cent accuracy per turn, achieve perfect intonation in seconds. Knurled knob grips prevent slippage even with sweaty hands, built for live performances. Specifications Materials: Zinc Alloy (Body) + Hardened Steel (Gears) + ABS Polymer (Knobs) Gear Ratio: 15:1 String Compatibility: 0.10-0.52 (Acoustic & Electric Guitars) Package: Tuner ×6 (3x on the left + 3x on the right), screws ×6, nuts x6, gaskets x6, hex wrench ×1, small screwdriver 1x ProductSiteLaunchDate : 2023-08-11T15:29:49.789Z Size : Ancient Silver Snake Top SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 60131500 WarrantyDescription : If you have any problem with the product, please contact me and i will solve the problem for you as soon as possible.