wrestler

摘要

One useful pattern is motion,Especially the hand exercise device of athletes,Including wrestlers. The technical achievement of cyst wrestler is through the effective development of cyst wrestler and forearm Manufacturing load,Twist the wrestler's jacket onto his fist. The cyst wrestler's espander consists of a rod with a fixed step in its central part. A brush clip is fixed on one side of the rod,On the other hand, install the sleeve with threaded connection,It is loaded by the resistance stage Spring of the compression spring relative to the rod. A pressure plate is installed on the outer surface of the bushing,It is loaded by a compression spring relative to the outer surface of the bushing. In the center of the rod end surface, a dead hole with internal thread is made from the casing installation side,This hole has a screw,In addition, a washer is installed between the screw head and the rod end surface. 2 liters.