CAT & BT shanks are produced according to AT3 specifications. Made of alloy forged steel for long, durable service life. Keless operations. Integral shank design is more compact than a combined drill chuck and arbor. It give greater accuracy and rigidity. Self-tightening (clockwise rotation only).
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.