Jumbo T-Dolly Set, 3pc: 1 1/4"-1 1/2"-2" diameter x 8" long, hardened heads. 10" long x 2" wide x 1/4" thick handles. Zinc plated. The larger diameters are used for edge forming and drawing metal over for a unlimited range of part shapes. Best results are found when used with wood or steel slappers. Buy as a kit for additional savings.