HIGH QUALITY-high-quality 50steel forging, ratchet type wide mouth, without damage to decorative sanitary ware, nut configuration of aluminum alloy products. Perfect for tightening or loosening nuts and bolts,plumbing, tube nut disassembly or gas industry etc. Opening length--6-68mm, full length is 200mm.Adjust the opening smooth, improve work efficiency. Precision worm with smooth opening to work efficiently The jaw and nut contact surface is more wide, clamping strong, reliable, not easy to slip., Weight: 0.330693393 pounds, Manufacturer: Anano