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.

液壓增力切帽機(jī)用于裂開凍結(jié)或生銹的螺母，而不會(huì)損壞螺栓。它的尺寸很方便在難以到達(dá)的地方工作。采用優(yōu)質(zhì)鋼材制成，經(jīng)過熱處理和鍛造，可長期使用。操作時(shí)，只需使用一個(gè)普通的手動(dòng)扳手，轉(zhuǎn)動(dòng)動(dòng)力螺桿，該螺桿內(nèi)置有一個(gè)液壓泵，將施加在其上的動(dòng)力倍增。一套由兩種型號(hào)組成：316號(hào)尺寸小于等于1/2“BSW（橫平20 mm），336號(hào)尺寸小于7/8”BSW（橫平33 mm），僅成套銷售。