Stanley cold chisels stanley 4 18 290 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 safetysize 200 x 22mm 8 x 78 in stanley 4 18 290 cold chisel 22 x 203 mm 78in x 8in