Features DURABLE MATERIAL: Pen drilling lathe chuck is made of excellent alloy steel, strong and durable for a long life and well designed UNIVERSAL THREAD: Pen drilling lathe chuck has a thread of 1in x 8TPI and is suitable for most woodworking lathes on the market CLAMPING OBJECT: The clamping range of the lathe chuck is about 8x8 to 23x23mm, and the claw has a special V shaped groove design, which is more suitable for clamping square materials FIRM AND STABLE: The jaw is connected with the chuck body through the I shape structure, which has high accuracy and firmness WIDELY USED: Drilling lathe chuck is suitable for ordinary lathe, grinding machine, milling machine, drilling machine and machine tool accessories, woodworking machinery accessories and other machine tools and accessories Specification: Item Type: Pen Drilling Lathe Chuck Material: Alloy steel Chuck Diameter: 2in Chuck Thread: 1in x 8TPI Package List:1 x Lathe Chuck2 x Accessories Package List 1 x Lathe Chuck 2 x Accessories