Irwin hilmor glm compact bender with precision high pressure aluminium die cast formers and guides to produce sets offsets multiple bends etc in tubes of a maximum diameter of 22 mm it is particulary suitable for installation of small heating systems etc and is supplied complete with 15 mm and 22 mm formers and guides capacities are copper bs2871 15 22mm stainless steel bs4127 15mm mild steel bs4152 15 mm