... plated or others 3)Customized designed "L-model" Hex key wrench 5 mm "L-model", 31 mm x 75 mm, zincplated, harden ... key wrenchWeight Item NO.SX-B6XX-01Size31mm*75mmMaterial5 mm "L-model", 31 mm x 75 mm, zincplated, harden HRC 52 +5 ... characteristicsThis is kind of wrench is widely used and can be used a tool for hardware, machinery manufacturing, and many other aspects ...