KEYSTONE - Brown High Speed Discs - Wheels 24mm x 0.7mm ( 0. 034-1300170 Us Dental Depot Weight: 0.11 Features: KEYSTONE - Brown High Speed Discs - Wheels 24mm x 0.7mm ( 0.94in x .025in ) - 100pk - For those who favor the long - time standard for chrome and gold - aluminum oxide - speedy - K# 1300170