General description The Vaunt 'Endurance' 10 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 Set includes 10 pieces Sizes: 2 x 5.5x160mm, 2 x 6.5x160mm, 2 x 7x160mm, 2 x 8x160mm, 2 x 10x160mm Material: Tungsten carbide tips Other information Includes a canvas storage roll