Feature:1. MULTI PURPOSE: Suitable for any material, from tile to concrete, brick and masonry, to real and artificial stone, and even granite, and works best with a hex shank rotary hammer2. WIDELY APPLICABLE: These drill bits fit perfectly into your hex shank hammer drills, whether for Bosch, for Hitachi or other manufacturers3. INDUSTRIAL MATERIALS: Excellent steel that has been heat treated to ensure outstanding strength for maximum durability4. RUGGED 40CR MATERIAL: Made of drop forged tempered 40CR for effective and efficient removal of thin wall marks5. EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stabilitySpecification:Item Type: Grooving ChiselMaterial: 40CRConnection Handle: Hex handleProduct Length: Approx. 280mm / 11.02in.Package List:1 x Grooving Chisel