Able to drill into a range of materials including tiles, porcelain, ceramics and non-toughened glass. Blade tips manufactured from high quality YG6X tungsten carbide for a prolonged life. Carbon steel hex shank ensures anti-slip tight fit into electric, hand and bench drills. Spear tip shape for precise alignment. Designed to fit any standard sized drill chuck. Contents: Ø3-10mm in 1mm increments. Features & Benefits: • Able to drill into a range of materials including tiles, porcelain, ceramics and non-toughened glass. • Blade tips manufactured from high quality YG6X tungsten carbide for a prolonged life. • Carbon steel hex shank ensures anti-slip tight fit into electric, hand and bench drills. • Spear tip shape for precise alignment. • Designed to fit any standard sized drill chuck. • Contents: Ø3-10mm in 1mm increments. • Model No. DBGC1 Specifications: Model No DBGC1 Brand: Sealey Contents: Ø3, 4, 5, 6, 7, 8, 9, 10mm Nett Weight: 0.132kg