Item: Hilti DD-BI X-Change Diamond Core Drill Bit. Genuine Hilti DD-BI X-Change diamond core drill bit in used condition. The core bit measures 70mm diameter x 320mm overall length and is suitable for use with compatible Hilti DD-BI X-Change core drilling systems. The bit is in used condition with normal signs of previous use. It is supplied with the end sleeve as shown in the photographs. Please examine all photographs carefully, as they form an important part of the description and show the exact condition of the item. Type: Diamond Core Drill Bit. Normal cosmetic wear and signs of previous use. Please inspect all photographs carefully for the exact condition. 1 x Hilti DD-BI X-Change 70mm diamond core drill bit. 1 x End sleeve. Any accessories not shown in the photographs. Please ensure compatibility with your Hilti DD-BI X-Change drilling system before purchasing. Please review all photographs carefully, as they form an important part of the description.