Features [Comprehensive Drill Bit Set]: This 4-piece eccentric drill bit set includes hex shank bevelled bits in sizes (6mm, 8mm, 10mm, 12mm) plus a PH2 screwdriver bit, suitable for easily dealing with a variety of drilling applications. [Excellent Durability]: Made of industrial grade M35 tungsten steel, these eccentric drill bits guarantee excellent drilling performance. Designed to accurately handle deep, angled and blind holes, they are strong, erosion-resistant and resistant to deformation. [Improved Drilling Efficiency]: Featuring a unique eccentric M35 insert design, these drills provide seamless penetration in a wide range of materials.The U-shaped rotating flute reduces chip build-up and ensures rapid chip removal to maximise drilling efficiency. [Multiple Material Applications]: Designed for use in a variety of materials including stone, concrete, wood, steel, brick, plastic, tile, marble and more, these versatile drills are an essential addition to your toolbox. [Wide Compatibility]: Designed to be compatible with cordless drills, electric hand drills, bench drills, and more, these off-centre drills enhance convenience and efficiency, ensuring that you'll be able to tackle any project with ease. Specification: Item Type: Eccentric Drill Bit Set Material: Carbide M35 Specification: Approx. 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.39in, 12mm / 0.47in Shank: Hex Shank 6.35mm (1/4in) Use Device: Hand Drill, Rechargeable Drill, Bench Drill Application: Glass, Ceramic, Porcelain Tile, Granite, Concrete, Wood PackageList: 4 x Eccentric Drill Bits 1 x PH2 Bit 1 x Storage Box Package List 4 x Eccentric Drill Bits 1 x PH2 Bit 1 x Storage Box