magnetic Screwdriver bit 1.PP+TPR material Tool bar: 2.#45 steel 3.3mm 0.7N.M / 4MM 2.6N.M 5MM 5.5N.M / 6MM 9.4N.M / magnetic Screwdriver bit 1.PP+TPR material Tool bar: 2.#45 steel3.3mm 0.7N.M / 4MM 2.6N.M 5MM 5.5N.M / 6MM 9.4N.M / 8MM 20.5 N.WSize:3mm*75mm`100mm, 125mm,4mm*100mm5mm*75mm,100mm,125mm,150mm,200mm,250mm6mm*100mm,125mm,150mm,200mm,250mm8mm*150mm,200mm,250mm