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Stainless Steel Photographer EDC Wrench Instrument With M4 M2.5 Hexagon
Product Description:
We tested a variety of materials, aluminum alloy, 304 stainless steel, etc., their hardness and abrasion resistance did not meet the expected requirements. Finally, the manganese steel (black gray) is used. After heat treatment and quenching, its hardness and abrasion resistance increased a level. , Reserve a round hole, you can hang it on the key ring. easy to carry. The overall length is only 5cm, and the net weight is 16G.
The wrench surface is not plated, retaining the original color of manganese steel.