Heavy duty steel body with diamond dust cutting segments. For dry cutting of accurate holes in masonry. For use with drills equipped with a safety clutch. Do not use with hammer action. Includes 5 core drills (38, 52, 65, 117 and 127mm), 2 short arbors and 2 long arbors (SDS Plus and hex), guide drill bit and drift key. Includes 5 x core drills (38, 52, 65, 117 & 127mm). 4 arbors (SDS Plus & hex), guide drill bit & drift key. We will do everything to solve any problem. Your satisfaction is our priority. 12V 900A Car Van Battery Jump Starter. 2 x Reusable Car Dehumidifier. Maypole Wheel Leveling Ramp. Items as described and delivered mega quick, thank you. Great service, thank you very much. We are company founded by UKB4C in 2017. Headquarters is based in Northampton, United Kingdom. Our mission is to provide high-quality products and the best price as possible. We do everything to make every customer happy, this is our priority. Do you have questions?