... hand toolsmaterial have aluminum bronze and beryllium copper.all our products have passed ISO9001 and UKAS.L(mm):50mm, ... 75mm,100mm,125mm,150mm,200mm,250mm,300m,350mm,400mmcompany: cangzhou bohai safety & special tools co., ltd ... hammer, pliers, Axe, file, screwdriver....... certification:ISO9001 and UKAS beryllium copper and aluminum bronze striking slotted screwdriver safety tools