material:45# carbon steel or 65mn heat-treated with two ends42-48hrc surface with painting or spray plastic Laiwu Zhongtie Forging Co ., Ltd is a professional manufacturer , which mainly produces crow bars , wrecking bars ,stonemason’s chisels , tyre crowbars ,steel picks , sledge hammers, gardentools, etc. We possess advanced forging ,punching technology, a complete set of technological ...