ITEM NAME:Copper Carbon Film Guitar Potentiometer Volume Tone Control B504 C504 A504 Description: Adjustable top and knurled shaft design make it easy to operate in daily use Mainly be used to control electrical devices such as volume control on audio equipment Come with rotary switch, L shaped wrench and 2 pcs control knobs Technology : Carbon film Fit for upscale electric guitar, bass and other electrical equipment Color: Multicolored Material: copper, carbon film Specification: Type: Single Linear Taper( A504 + B504 + C504) Resistance Value: 500K( A type); 500K( B type), 500K( C type) Pin Numbers : 12 Shaft Diameter: 16mm Size Chart: 41 x 15 x 12 mm/ 1.61 x 0.59 x 0.47 inch Package Includes: 1 x Rotary Potentiometer 2 x Control Knob 1 x L shaped wrench SKU: CKX0010904557010391.Type: Single Linear Taper( A504 + B504 + C504). Material: copper, carbon film. Technology : Carbon film. Resistance Value: 500K( A type); 500K( B type), 500K( C type). Adjustable top and knurled shaft design make it easy to operate in daily use.