8 of the most popular sizes: 10, 12, 15, 18, 20, 22, 25 and 32mm. High grade tool, steel with titanium nitride coating. For forming holes, channels and mortices in timbers and laminates such as joists, noggins, floorboards, decking and kitchen worktops.
10, 12, 15, 18, 20, 22, 25 and 32mm.