CRCC YWB-1 Fishplate Bolt Spanner

YWB-1 Fishplate Bolt Spanner is used for loosening and fastening of fishplate bolts. It is ratchet mechanisms make it possible to screw or unscrew the bolt quickly by swing two arms separately, or by swing two arms together with high torque. Different bolt sockets exchangeable. Operate the spanner with two hands crossed when using the spanner to finish the job rapidly, and pull the spanner with two hands in case of large torque.