Professional quality, forged from chrome vanadium steel hardened, tempered & chrome plated for corrosion protection. Polished bi-hexagon ring & jaw offset at 15°. Carton packed. Contents: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 & 3/4 ww. Manufactured to din 3113 form b/iso 3318 specifications. Weight: 3.25kg.