Domary Universal Drill Bit Set - 6 PCS alloy steel

This universal drill bits set is suitable for use with your lithium electric drills, hand drills and benching drills. It is suitable for drilling holes in a variety of materials, such as wood, glass, ceramics, etc., and is a perfect helper for your daily work. If you need it, come and try it, it won't let you down. Specifications: Material: alloy steel Shank diameter: 6.35mm 4mm: Working length: 43mm Total length: 76mm 5mm: Working length: 43mm Total length: 76mm 6mm: Working length: 45mm Total length: 77mm 8mm: Working length: 48mm Total length: 80mm 10mm: Working length: 55mm Total length: 83mm 12mm: Working length: 55mm Total length: 86mm Package size: 90 * 50 *12mm / 3.5 * 2.0 * 0.5in Package weight: 125g / 4.4ounce Packing list: 6 * Drill Bits