2-9/16-Inch 65mm * Perfect for: Acrylic glass and polycarbonate; cementboard; lightweight concrete; masonry; vertically perforated brick; and roofing tiles. * Also use on: Natural wood; hardwood; plywood; woodcore plywood; chipboard-raw, veneered and laminated; fiber-reinforced composites; sandwich materials; plastics. * Quick change * No Adapter Needed; On tool.