A hand-held manual surgical instrument designed to cut out (core) sections of bone during surgery. It consists of a handle and a cylindrical distal tip which has a bevelled, sharp cutting edge, which when pressed into the bone and gently rotated will penetrate and cut through the bone allowing that section to be removed. It is and is available in various cutting head sizes, and is not primarily intended for soft-tissue coring. This is a reusable device.