Use range: 7-19mm all specifications
Body material: CRV steel(we can provide you CR-MO steel as well);

Size: length: 7cm, width: 1cm, height: 10cm; 
Net weight: 480 g.
The product is compact and easy to carry bag!
Can be disassembled various forms of nuts, screws, hooks, wood screws and screw heads ect.
Manufacturing industry, construction and other industries are used. Remove the detachable screws, the swivel hook, the flat head screw. Removing irregular screws and removing broken taps, tightening the knobs.