C3 micro-grain tungsten carbide blades, high quality alloy steel body with anti-kickback design; (Please receive the coupon code on the product page when purchasing to get a better price.) 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"); You can use the cookie cutter, screed and stick to create panel slots in stile and rail cabinet doors. Important: 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 6 slot cutters in the following sizes: 1.8mm,2.3mm,3mm,4mm,5mm,6.35mm(1/16", 3/32", 1/8", 5/32", 3/16" and 1/4") C3 Micro-grain carbide compatible long life and professional cut quality Fully heat-treated body and barrel compatible durability Resistant to build-up coating and anti-kickback design You can use the biscuit cutter, clevis and the stick compatible creating panel slots in stile and rail cabinet doors Specifications: Shank size: 8mm Number of cutters: 6 Slot cutter sizes: 1.8mm,2.3mm,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. Please take protective measures to prevent the wood chip splash from hurting your skin and eyes. Content: Lucky 3-Wing Bits Groove Router Meet