Features and Benefits:•Part No.:6122Weight: 0.07 LBLength: 2.25 INHeight: 1.00 INWidth: 0.50 IN¼" diameter shank for air die grinders. ½" carbide ball tip cuts through any plastic in a hurry. This one cuts through plastic SO FAST, it's almost scary. Excellent for preparing wide v-grooves in preparation for FiberFlex or urethane welding rod. Made in USA.