PREMIUM QUALITY AND CONSTRUCTION: Our 13-piece Spade Drill Bit Set is constructed from high-grade carbon steel that has been treated for maximum durability. Each drill head features a polished surface that's crafted to longer life and superior wear resistance. These bits have been meticulously crafted and are neatly packaged to provide secure storage and transportation. SUPERIOR DESIGN AND PERFORMANCE: Our triangle woodworking drills shine with their titanium plating, significantly extending their service life for long-term usage. Our drills' features double side cutting spurs that durable and speedy drilling. Their efficient and reliable design marry quality with performance. PRECISION DRILLING: Our woodworking paddle flat bits offer precise drilling in diverse wood types. Skillfully designed to score the outer edge of the hole, they promise cleaner, smoother drilling. These versatile tools enhance your woodworking projects and contribute to professional-grade results. VERSATILE APPLICATION: These bits flaunt a cone-threaded tip which ensures fast and effortless drilling. They are capable of accurate drilling on most wooden types, fiberglass, plastic, PVC (Polyvinyl Chloride), and soft metals like aluminum. They are universally compatible with most drill driver in the market, offering widespread use. NOTE: The actual product may have slight color differences or differences, which does not affect use. Material: High-carbon steel colour: gold Package Contents: 13 x Spade Drill Bit Sets(6/8/10/12/13/14/16/18/20/22/25/30/ 35mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.