Whether you're a hobbyist or a professional, set yourself apart with the P&N Workshop Bright Drill Set. Ideal for drilling in metal, wood, and plastic - it's equipped with high speed steel for its best combination of strength, heat and wear resistance. It comes in a convenient storage box and is ideal for use in portable and pedestal drilling machines - Contents: Metric Sizes: 1.0 – 6.0 × 0.5mm rises +3.2, 4.2, 8.0, 10.0, 12.0mm Imperial Sizes: 5/64 – 7/32 × 1/64 rises +1/4, 5/16, 3/8, 1/2Designed for use in portable and pedestal drilling machines. - Suited for drilling in metal, wood or plastics. - Made from high speed steel offering the best combination of strength, heat and wear resistance - Split point minimises wandering when starting - Fully ground with parallel shank for accurate hole size