A finest top quality set made from chrome vanadium steel for increased strength & durability. For cutting & shaping wrought iron, cast iron, steel, brass, bronze, copper & aluminium. Cutting bolts, nuts & rivets. Cold Chisel set 3pc. 1 of each 140 x 10mm (5 1/2 x 3/8 in), 150 x 13mm (6 x 1/2 in) & 170 x 16mm (6 3/4 x 5/8 in)