1. [Adjustable Size Range] The lathe chuck features internal jaws that can be tightened in sizes from 2 to 2.5in (45 to 63mm), and external jaw that can be expanded inside the workpiece in sizes from 2.4 to 3.1in (60 to 78mm).
2. [Chuck Set] Includes 4 sets of jaws and gear, which are interchangeable, comes with wrench, and tool box, providing great convenience.
3. [Premium Alloy Steel] Crafted from alloy steel, this lathe chuck is sturdy and built to last, with its well thought out design, ensures reliability and a long lifespan.
4. [] The lathe chuck set features an adapter that allows for a change from 1in x 8TPI to M33 x 3.5TPI, providing compatibility.
5. [Wide Application] Suitable for general lathes, grinders, milling machines, drill presses, and other machine accessories, as well as woodworking machinery attachments.

Spec:
Item Type: Lathe Chuck
Material: Alloy Steel
Chuck Diameter: 3.75in
Chuck Thread: 1in x 8 TPI

How to Use:
Connect to the lathe and use it. Before use, match the appropriate model and size.

packing list:
1 x Lathe Chuck
16 x Lathe Chuck (4 Set)
1 x Wood Screw
16 x Screw/Fastener Accessories
1 x Chuck Wrench
1 x L Wrench
1 x T Wrench
1 x
1 x Storage Box