General description The Vaunt 'Endurance' 17 piece cross tip drill bits set is built to last in the toughest materials. The cross-tip design ensures that all four cutting edges work simultaneously, increasing durability and providing an even drilling action. With a special flute geometry for enhanced waste removal, this set offers efficient and hard-wearing drill bits, ideal for hammer drilling into hard materials such as concrete, granite, brick, and marble. Technical specifications Contains 17 pieces Sizes: 1 x 5.5x110mm, 2 x 5.5x160mm, 1 x 6x110mm, 2 x 6x160mm, 1 x 6.5x110mm, 2 x 6.5x160mm, 1 x 7x110mm, 2 x 7x160mm, 1 x 8x110mm, 2 x 8x160mm, 1 x 10x160mm Compatibility and accessories Includes a canvas storage roll