1.Material: Hardened and tempered Chrome Vanadium steel shafts
2.Precisely-sized,chamfered ends insert smoothly into fastener head,reducing wear.
3.Compact clip for easy storage.Great to fitting anyone's toolbox.
4.The L-Shape design metric wrench set on one end provides for the abillty to use a torque bar to obtain specifically desired torque settings.
5.Long arm wrenches provide extra reach and greater torque
6.Ball hex ends allow up to a 25-degree entry angle to reach around obstructions
Comparson with market goods
The market is mostly 45# steel .and a lot cheaper .and not good stability .easy broken and no have standard.
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