SNAP ON SHRINKING HAMMER BF617 NEW SURPLUS, MAY HAVE A FEW SCUFFS E-231 #21 Square Face Size, inches - Round Face Diameter, inches 1 7/8 Head Weight, oz. 16 Description Shrinking Hammer Peen End Size, inches — Handle Length, inches 13 Head Length, inches 4 1/2 Country Of Origin USA Brand Snap-on