Strong S diamond core bits, working length: 65 mm, lasered diamond segments made of diamond grain bond, suitable for: concrete products (medium hard), reinforced concrete, hollow blocks, masonry bricks, bricks (hard), sand-lime bricks (soft abrasive/hard/highly compressed), quadroblock, sandstone (hard), clinker (medium hard), plaster and aerated concrete. Design: 8 mm height, segment length: 24 mm, number: 4, Ø: 82 mm