Made of high carbon steel resist distortion or breakage, offer enhanced durability and maximum torque Heat-treated easy-spin adjusting nut for quick adjusts of threads hook jaw The head is marked with a size head with a size, more accurate use The tail perforation can be hung and stored Using for Auto maintenance and repair, plumbing, assembly and other DIY. Ideal tool for home, garage and workshop, Weight: 0.49824471212 pounds, Manufacturer: BE-TOOL