| Feature: 1. 2.5mm thick high carbon steel and heat treatment, one-piece stamping forming, smooth, high hardness, not easy to notch. 2. Stiffener design,heavy tonnage punch has such a smooth convex effect, excellent strength promotion, more effective power transfer. 3. Double head four ports, complete specifications, double head four ports, each head double size design, 13/14/15/16mm, covering the middle and high?end hub common size. 4. Comfortable feel, ergonomic arc shape, fit hand, easy to slip. Simple and practical design, 45# high carbon steel, exquisite production technology. 5. High-precision CNC machine tool stamping manufacturing, wrench opening flat and smooth, the surface of the two-layer … | |