[Versatile Countersink Drill Bit Set]: This 5-piece countersink drill bit set includes sizes 1/4Inch, 3/8Inch, 1/2Inch, 5/8Inch, and 3/4Inch with an 82-degree angle, ideal for wood, metal, plastic, and other materials. [Clean and Accurate Countersinking Drill Bits]: Each countersink bit features 5 flutes and a precise angle for fast, smooth screw recessing in all types of workpieces. [Quick-Change Shank]: This countersink drill bit set features a 1/4Inch hex shank for quick drill changes-compatible with handheld drills, impact drivers, and drill presses. [Organized Storage Case]: This countersink drill bit set comes in a compact storage case to keep your countersink bits protected and organized for easy transport and long-term use. [Built to Last]: This countersink drill bit set offers excellent hardness and heat resistance for long-lasting performance; oil after each use. PLEASE DO NOT USE for Processing STAINLESS STEEL or IRON PLATES. Color:As Shown Material:Alloy Steel Package Contents: 1 * countersink drill bit set 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.