Features include:

• High-quality materials,strict quality management, high-temperature agglomeration and balanced hardening treatment,all these guarantee superior quality and long performance life.
• For drilling in granite, concrete, stone, masonry, tiles and marble.
• For hammer drills with spline shank chucking.
• Dia. 10-38mm (1-5/32" to 1-1/2")
• Length: 330 -530mm