Extra Long Drill Bit Set High Speed Steel Straight Shank Twist Bits Wood Router Cutting Diameter 150mm 160mm 2mm 3mm 3.5mm 4mm 5mm for

Hardness And Durability: Twist drill bits are made from high-speed steel for high hardness and durability. Drill Deep Holes: The extra long cutting edge of the long drill bit allows you using these bits to drill deep holes. 5 Kinds Of Sizes: This wood drill bit set includes 5 pieces drill bit in different sizes(2mm, 3mm, 3.5mm, 4mm, 5mm) of the most popular drill bits. High Performance: Sharp twisted drill bits will make the drilling easier and more effortless. Application: The drill bit has a wide range use, great for most drilling jobs and materials such as aluminum, wood, plastics.(Note: Not for metal)