ONE BIT FOR ALL DRILLING: Come with 19 sizes (3/16″, 9/32″, 3/8″, 7/16″, 17/32″, 5/8″, 11/16″, 25/32″, 7/8″, 29/32″, 31/32″, 1″, 1-1/16″, 1-1/8″, 1-5/32″, 1-7/32″, 1-9/32″, 1-5/16″, 1-3/8″), saving your time and efforts to change bits
UNIQUE DESIGN: Genuine M2 high-speed steel with black oxide coating ensures durability and sharpness, reduced friction, and cooler operation. The unique 1/2″ Square Drive design, suitable for impact wrench
DURABLE AND STRONG: Excellent performance in heat, corrosion and rust resistance, extending the life of the cutting edge even in extreme temperatures. To improve performance and extend drill life, we recommend using cutting fluid (not included) for lubrication
EXTRA LARGE STEPS DRILL: 19 size multiple hole stepped up bits, have many steps which contain multiple diameters, convenient to drill different hole size by using a step drill rather than many drills, ideal for DIY projects at home, garden, workshop
HIGH PERFORMANCE: 118 degrees split point tip increase the wear resistance. Two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation, can be used on electrical drill, cordless drill
Product Dimensions : 4.45 x 1.38 x 1.38 inches; 8.8 ounces
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