Two-Piece Reversible Jaws; Jaws are composed of top and bottom pieces; American Standard Tongue and Groove Style; ISO3442 Highly durable; Steel inner mechanisms are quench hardened to increase toughness 1 1/2"-8 Threaded Adapter; Comes with a finished backing plate ready to mount chuck to lathe spindle 160 mm Chuck Diameter; 45 mm Through-Hole Diameter; 3 mm-55 mm Clamping Range; 55 mm-145 mm External Clamping Range Includes: Lathe Chuck, Adapter Plate, Lathe Chuck Key, Mounting Bolt (3)

Lathe Chuck With Adapter Plate Combo Set