Stanley cold chisels stanley 4 18 288 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 170 x 16mm 6 34 x 5 8 in stanley 4 18 288 cold chisel 16 x 171 mm 58in x 634in