Jaws for three-jaw Cushman Chuck Co, lathe chuck. I don't know what model chuck these jaws fit, but they are marked "115" on the ends. Appear to be for a 6 or 8 inch chuck. Very good condition.
On May-17-08 at 19:30:56 PDT, seller added the following information:Jaws measure 1.598" high at the tallest step, 1.903" long, .591" wide. Groves are .213" wide x .139" deep on each side, and .242" from the bottom. Pitch looks to about 4 TPI.