专利开口棘轮扳手

● Open End with quick release enables users to tighten or loosen fasteners very fast without moving wrench from the top of the fastener’s head repeatedly.
● It’s not merely for fastening the original size fastener, also can fasten which is wore down and even one size down.
● It’s also capable of being applied on the pipe fasteners rotation.
● Whole series of popular sizes from 8, 10, 12, 13, 14, 17 and 19mm.
● With endurable drop forged Chrome Vanadium Steel and good quality Chrome plated with polished.
● Guarantee life time and torsion reach international standard.
● Public communique of patent invention announcement made.
● Maintenance free, easy to clean.

Demonstration Video
http://youtu.be/_vtZhNOvYL0