Spot Weld Cutter Set, Measurement System Fractional Inch, Material Cobalt, Number of Drill Bits 4, Drill Bit Sizes Included 1/2 in, 1/4 in, 3/8 in, 5/16 in, Smallest Drill Bit Size 1/4 in, Largest Drill Bit Size 1/2 in, Body Diameters Included 0.25...