Wheel Nut / Chamfer Gauge (Esco - Model 60929)

Disc wheel measuring tool kit shows you when wheel and inner and outer cap nuts are worn out.

Provides a guide to visually detect excessive wear in .875R spherical chamfers of bolt holes in disc wheels.

Designed for use with stud piloted steel wheels which have .875 spherical bolt holes 3/8" to 1/2" disc thickness.

Use only with Stud Piloted Steel Wheels.