WEN 3.75-Inch 4-Jaw Self-Centering Lathe Chuck Set with 1-Inch x 8TPI Thread, LA4374

Scroll chuck perfect for holding bowls, spindles, and other unwieldy lathe projects Internal jaws tighten around workpieces varying from 1-1/4 to 2-1/2 inches in size External jaws spread inside of workpieces with pilot holes ranging from 1-3/4 to 3-1/8 inches Keyed tightening mechanism provides additional grip strength to the workpiece Features a 1” x 8 TPI thread for compatibility with the majority of wood lathes on the market