Product Description Wiha 32661 Adjustable Pliers, Standard, 10-Inch From the Manufacturer Wiha 32661 adjustable pliers, standard, 10-inch OAL. DIN ISO 5745. Ten different opening sizes provide optimal adjustment to objects being gripped. Long durability achieved through additional induction hardening of jaws to approximately 58-60 HRC. Chrome-vanadium tool steel, hardened and tempered. Soft vinyl grips are oil and solvent resistant.