This screwdriver is a 2.5mm tech that features a nickel plated, heat treated, tool quality tempered steel blade and a magnet top. The magnet top is a super strong neodymium, rare earth magnet top with a 1.5 lb. (24 oz.) pull strength. Please specify button color on order. With a metal pocket clip on the side of the barrel this screwdriver 0.50"H x 5.69"W in size. USA Molded and Assembled.