Woodworking lathe chuck 4 inch 6 inch multi-function DIY four-jaw linkage fixture household threaded shaft chucks

Product Parameters 
Product Na me:Electric Thread Chuck 
Model:CK4-4S 
Outer Diameter:150mm 
Connecting Thread Size:25.4mm Diameter,8 Teeth 
Clamping Range:Positive 3-46mm Counter 70-107mm 
Supporting Range:Positive 40-103mm Counter 140mm 
Weight:2kg