U-Channel Block & Hammers Set

The metal block of this steel set consists of 6 round channels on one side and a 90° V-groove on the other. The six hardened, hammer-shaped, steel punches have their diameters at approximately: 7.50, 10.50, 12.50, 16, 18.75, and 22.25mm. Overall dimensions are 6.50" x 2.375" x 1" high.Top-quality