9pcs Long Twisted Phosphate Hex Key Set
H3001226
Size: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm
Material: S2(silicon alloy steel)
Phosphate Finish(Due to the grease on the hand, the more you use, the surface is brighter)
Twisted prior the heat treat to increase torque capacity
The data showed a torque performance 150% s...
