4 Pieces 3/8 Inch High Speed Steel Step Drill Bit with Stop Collars Wrenches, 1/4 Inch Hex Shank and Round Shank Pocket Hole Drill Bit for Manual Pocket Hole Guide Jig System(6.9 Inch Length) - Nicoport, 205t00d235kr21RS90UF1

• [Spiral Groove Design] Fully ground spiral groove design clears particles quickly, and decreases friction and heat for a faster and cooler drilling performance, making drilling precise and faster. [Pointed Tip] The step drill bit is designed with a pointed tip, which can help you fix it accurately when drilling, so that the drill bit will not slip at will, and the surface can be easily penetrated to make the drilling smooth and clean. [Strong & Durable] These twist drill bits are made of high speed steel with stronger hardness, sturdy and durable. Anti-corrosion treatment and reinforced head cracking, with good wear resistance, providing long service time. [Wide Application] These twist drill bits are widely used for punching and positioning wood, aluminum, thin metal, and other materials. They are practical tools for carpenters and woodworking enthusiasts. [Size & Package] You will get 2pcs round shank twist step drill bits, 2pcs 1/4 in hex shank twist step drill bits, 4pcs stop collars, and 4pcs wrenches. These drill bits are about 175mm/6.9 inches in length, long enough to drill in narrow spaces., Manufacturer: Nicoport