Description WTNK Wood knob, Bass Tuning Use dual rubber rings for non-slip control Available wood : maple, zebra, bubinga, hard black, walnutInstalling : plastic sleeve Outside dia : 22.0 m/m Available shaft : 18 spline and 24 splineOverall height : 20.5 m/mApproximate weight : 4.0gAssy No.2K4071 Minimum order quantity : 100pcs