Made by solid heat-treated CR- material,with a ratchet wrench shape,simple and fashionable Ratcheting,metric double openings head and tapered end to line up bolt holes design to make it work with bolts fast and easy Double sized hexagon spanner with ratchet mechanism,ideal for scaffolding and construction Suitable widely in garage,workshop,carpentry,auto parts,specializing in machine repair and so on It is a ideal and practical hand tool in home and garden DIY, Weight: 0.9700339528 pounds, Manufacturer: mophrati