Produced according to AT3 specifications. Made of alloy forged steel for long, durable service life. Morse taper seat T.I.R. <0.0002". Hardened up RC-52-56 and ground to ensure maximum accuracy. Retention knobs are sold separately.
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.