Cobalt-Enhanced Extended Length Twist Drill Bit Set - Super Hard Stainless Steel Alloy, 4.2mm.

This high-performance drill bit set is crafted from a super hard stainless steel alloy, enhanced with cobalt for superior durability and strength. Designed for precision and efficiency, the extended length provides added reach and versatility for tackling a variety of projects. With a 4.2mm size, these drill bits are ideal for both professional and DIY applications, offering exceptional reliability and longevity. Perfect for drilling into tough materials with ease, this set is an essential tool for any workshop or toolbox. Length: Extended Material: Super Hard Stainless Steel Alloy Diameter: 4.2mm Manufacture country: China Instructions included: No