Made of good quality steel material, the coil over wrenches are high hardness and high durability, not easy to corrode. ER32 Wrench Size: 210x38x8mm / 8.27"x1.50"x0.31"(L W H). ER40 Wrench Size: 230x45x10mm / 9.06"x1.77"x0.39"(L W H).
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