Universal double-ended self-tightening wrench, high-carbon steel forged, sturdy and durable. 8-22mm specification full coverage, metric and imperial dual-use, one wrench for multiple uses, compatible with various nut repair work. OEM/ODM supported.
Small: 8-13mm (5/16-1/2), length: 8cm, width: 2cm
Large: 14-22mm (9/16-7/8), length: 9cm, width: 3cm
