Item:2PCS Big Potentiometers A500k (Long Split Shaft) .
100% Brand new and testing is fine.
Perfect for electric guitar/bass building,for pickguard/control plate mounting.
Full size,copper long split shaft with coarse knurling, golden color.
6mm diameter shaft fits for most control knobs.
Includes washers and mounting nuts.
Full Resistance: 500K ohm.
A Type(Audio Taper).
Shaft Diameter:Approx. 6mm.
Shaft Thread diameter:Approx. 8mm.
Shaft Length: Approx.18mm, Long Split Shaft.
Base Diameter: Approx.24mm.
Whole Length: Approx.27mm.
Audio Taper (A) increases or decreases in a sloped curve fashion ; Linear Taper (B) increases or decreases in a linear fashion; Audio Taper (A) are always used as Tone and Linear Taper (B) are always used as Volume, but you can use Audio Taper as Volume and Linear Taper as Tone as well, it usually depends on your personal preference.