A-Craft is one of the largest manufacturers of hand tools in Taiwan, and all the design, production and packaging processes of this company’s products are done entirely in Taiwan. The automatic mandrel IH58A155 is one of the products of A-Craft company, with the help of this device, you can determine the exact location of the drilling and prevent the drill from slipping and causing damage to the surface. The strength of this product is its tip, which is made of hardened steel alloy with S2 alloy coating to increase its quality and durability.