simarro 15 Pcs Spade Drill Bit Set, Paddle Flat Bit for Woodworking Alloy Steel Paddle Flat Bit with Quickly Change Shank Flat Wood Hole Cutter Plastic Storage Box Included, 1/4" to 1-1/2"

【High-quality Material】These spade drill bits are constructed from alloy steel with fully heat-treated for durability and hardness above carbon steel, the head with the polished surface is made to ensure long life and high wear resistance.
【Practical Design】The flat paddle design features a sharp cutting edge to ensure the hole is smooth and clean, creating beautiful holes with reduced breakout. Accurate drilling on wood, fiberglass, plastic, PVC (Polyvinyl Chloride).
【Drill Bit Set】These flat drill bit set 15 Pcs include 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", and 1pcs right angle screwdriver + 1pcs extension rod. This 15 PCS Spade Drill Bit set meets all your needs. Come with a PVC transparent soft sleeve box that can be easy to access and store.
【Quickly Change Hex Shank】The hex shank is 1/4 with a groove for reducing slipping and preventing falling off, safe. Universal for most drill driver tools of brands in the markets and easily meets various work challenges.
【Widely Used】The spade drill bit set can be used in a variety of drilling scenarios, whether it's for home improvement, woodworking, industrial applications, or outdoor work, including installation work that requires precise alignment, and pipe piercing of specific sizes, it can easily handle it to meet your needs.