1.TCT self-feed hole cutter(Fine) is specially designed for wood 2.No blocking due to optimal cutting geometry 3.Max. Cutting *TCT self-feed hole cutter(Fine) is specially designed for wood, especial rough wood, plain, laminated-coated chip board, plywood, paper-base laminate, PVC, glass fiber, reinforced plastic, gas concrete, ytong stone, plaster board, clay tiles and hollow gauge brick, stone, ...