C3 micro-grain tungsten carbide blades, high quality alloy steel body with anti-kickback design. Includes 6 sizes of 3-wing slot cutters, 8mm shank and 22mm (7/8") bearing. 6 slot cutter sizes: 1.8mm, 2.5mm, 3mm, 4mm, 5mm, 6.35mm (1/16", 3/32", 1/8", 5/32", 3/16", and 1/4"). Cutting depth: 12.7mm (1/2"). Overall length: 70mm (2-7/8"). Use the biscuit cutter, screed, and stick to create panel slots in stile and rail cabinet doors. Cutters must be used one at a time. Stacking the knives without staggering the blades and adequate support between the bodies can bend and warp the bodies when tightening. Features: 6-piece 3-wing slotting cutter bit with 8mm shank. Slot cutter sizes: 1.8mm, 2.5mm, 3mm, 4mm, 5mm, 6.35mm (1/16", 3/32", 1/8", 5/32", 3/16", and 1/4"). C3 micro-grain carbide for long life and professional cut quality. Fully heat-treated body and barrel for durability. Resistant to build-up coating and anti-kickback design. Use the biscuit cutter, clevis, and stick to create panel slots in stile and rail cabinet doors. Specifications: Shank size: 8mm. Number of cutters: 6. Slot cutter sizes: 1.8mm, 2.5mm, 3mm, 4mm, 5mm, 6.35mm (1/16", 3/32", 1/8", 5/32", 3/16", and 1/4"). Cutting depth: 12.7mm (1/2"). Cutting diameter: 47mm (1-7/8"). Overall length: 70mm (2-7/8"). Bearing outer diameter: 22mm (7/8"). Material: Carbide tipped. Important notice: Cutters should be used one at a time. Stacking knives without staggering the blades and adequate support between the bodies can bend and warp the bodies when tightening. Take protective measures to prevent wood chip splash from injuring skin and eyes. Includes: 3-Wing Slotting Cutter Bit Set