Splits frozen or rusted nuts without damage to the bolt.  It is conveniently sized to work in hard to reach places.  Made of the finest steel, heat-treated and forged for long service.  To operate, just use a regular hand wrench and turn the power screw which has a hydraulic pump built inside multiplying the power exerted upon it.  A set is composed of two models:  No. 316 size up to 1/2" BSW (Across Flat 20 mm), No. 336 size up to 7/8" BSW (Across Flat 33 mm), Sold in sets only.

液压增力切帽机用于裂开冻结或生锈的螺母，而不会损坏螺栓。它的尺寸很方便在难以到达的地方工作。采用优质钢材制成，经过热处理和锻造，可长期使用。操作时，只需使用一个普通的手动扳手，转动动力螺杆，该螺杆内置有一个液压泵，将施加在其上的动力倍增。一套由两种型号组成：316号尺寸小于等于1/2“BSW（横平20 mm），336号尺寸小于7/8”BSW（横平33 mm），仅成套销售。