KAHEIGN 15Pcs Spade Drill Bit Set, 6mm 25mm Titanium Coated Carbon Steel Paddle Flat Wood with Wrench and aAuxiliary Lever for Woodworking

[High quality] Made of high-quality high-carbon steel, fully quenched and tempered, high hardness and good toughness, not easy to wear and break, and long service life [Rapid drilling] With the help of two auxiliary milling cutters and an innovative automatic retracting threaded tip, wood can be grasped firmly and quickly, and chips can be removed efficiently and smoothly [Size] Included 15pcs flat wood drill bits of different sizes: 6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 16mm, 18mm, 19mm, 20mm, 22mm, 24mm, 25mm, length: 152mm, hexagonal shank: 1/4 inch [Easy to use] Suitable for all drill bits with hexagonal shank bit sleeves, can be installed in all power tools more safely, and come with extension rods, and have a small hole drilled through the flat part [Applicable] It's universal for the most drill driver tool of brands in the markets. Widely used in woodworking openings and drilling, used to perforate cork, medium hard wood, particle board, gypsum board and plastic and others