Stanley Cold Chisel 10 x 141 mm (3/8in x 5.9/16in) STA418286 Quality chrome vanadium steel, increased strength and durability for all metalwork tasks from chipping and shaping wrought iron, cast iron, steel, brass, bronze, copper and aluminium to cutting bolts, nuts and rivets. Quenched and tempered to precise specifications for added safety. Size 140 x 10mm (5 1/2 x 3/8 in) STA418286