A variable tool (1) for use in veterinary procedures is provided. The tool (1) includes a handle (5) having first and second ends (7, 8), the first end (7) engageable with a drive means. A shaft (10) having first and second ends (12, 13), the first end (12) of the shaft (10) being mounted within the handle (5) and, in use, rotatable by the drive means. A housing (15) is secured to the second end (8) of the handle (5) and having a free end (27) extending towards the second end (13) of the shaft (10). A burr portion (20) is relaesably engageable with and extending away from the second end (13) of the shaft (10). A connection means (35) is adapted to releasably connect the burr portion (20) to the second end (13) of the shaft (10) such that the burr portion (20) is removable from the shaft (10) without removal of the housing (15) from the handle (5).