Manufactured from hardened and tempered Chrome Vanadium steel. Spring loaded jaws and forged non-slip tips. Phosphate finish for corrosion resistance. Vinyl dipped handles for comfort and control. Supplied in storage/hanging pouch. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Manufactured from hardened and tempered Chrome Vanadium steel. Spring loaded jaws and forged non-slip tips. Phosphate finish for corrosion resistance. Vinyl dipped handles for comfort and control. Capacities: 19-60mm each. Supplied in storage/hanging pouch. Lifetime guarantee*.