ITEM NAME:10pcs 3 Pin B500k 500K ohm Guitar Linear Taper Rotary Potentiometer w 15mm Shaft 10pcs 3 Pin B500k Guitar Linear Taper Rotary Potentiometer with 16mm Base 15mm Shaft SPECIFICATIONS.(Resistance Value: 500K ohm. Type: Single Linear (Type B). Suitable for: Guitar. Shaft Size: approx. 3) Single Turn Switch & Knurled Shaft for easy operation. Condition: 100% new.