Hardened and tempered chrome vanadium steel with precision-machined slide and jaws for smooth adjustment and accurate fit. Wide handle for a secure grip and comfort during heavy use. Dual-sided metric and imperial laser-etched graduation. Phosphate electroplated and oiled for highly-durable corrosion resistance. Hardened and tempered chrome vanadium steel with precision-machined slide and jaws for smooth adjustment and accurate fit. Wide handle for a secure grip and comfort during heavy use. Dual-sided metric and imperial laser-etched graduation. Phosphate electroplated and oiled for highly-durable corrosion resistance.