The Easy Wood Tools 12" Big Easy jaws are for gripping on the rims or inside of bowls, platters and hollow forms, and are optional equipment for the Easy Chuck.

They have a maximum grip diameter of 10", the maximum expanding dimension is 11-1/2". When jaws are fully closed, the o.d. is 10-3/4", when jaws are fully open the o.d. is 12". 

Your lathe must have a minimum swing of 12" to use these jaws. 

The 12" Big Easy Jaws include 4 base jaws, 4 jaw plates, 8 dovetail grippers and 1 5/32" T-handle hex wrench. Snap-Lock Technology allows jaws to install in about 30 seconds! 

Works only with the genuine Easy Chuck.

Easy Chuck not included.