PINOZE 9-Piece Spade Drill Bit Sets with 15.2 cm Extension, Paddle Flat for Hole Cutter Woodworking, 6 to 32 mm, Quick Change 1/4 inch Hex Shank, Nylon Storage Pouch Included

【PATENTED GROOVE DESIGN】- Optimized largest area groove for efficient chip removal and heat dissipation, faster than standard spade bits; The cutting edge with unique dual-side cutting spurs for grabbing wood and carving it away, creating beautiful holes with reduced breakout 【HIGH CARBON STEEL】- Constructed of high carbon steel that has undergone comprehensive heat treatment for excellent durability and hardness; The blacken treated surface of the whole drill bits ensures a long service life and high wear resistance and rust-resistance 【LONG EXTENSION ROD】- The 6-inch (15.2 cm) extension rod with 1/4" hex shank equipped can extend the spade drill bits to 28 cm for use; Excellent stability; Very suitable for drilling holes in narrow or difficult to reach areas. Also fit other drillbits or screwdriver bits 【QUICK-CHANGE HEX SHANK】- 1/4" hex shank with groove helps reduce slipping and prevent falling off as well as safety, universal for most drill driver tool brands in the markets 【DRILL BIT SET INCLUDES】- 8 pcs high-performance drill bits and extra 1 pc 15.2 cm long extension to satisfy all your needs; (6, 10, 13, 16, 19, 22, 25, 32 mm) 【TOOL POUCH】- Whole set comes with a tool roll pouchr; Perfect for storing your tools and ideal for carrying with you to work or around the house