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 more favorable price. ) Includes 6 sizes of 3 wing slot cutters, 8mm shank and 22mm(7 or 8" bearing) 6 sizes of slot cutters:1 ,8mm, 2.5mm, 3mm, 4mm, 5mm, 6.35mm (1 or 16", 3 or 32", 1 or 8", 5 or 32", 3 or 16" and 1 or 4") Depth cutting: 12.7mm(1 or 2") Overall Length: 70mm(2-7 or 8") You can use the cookie cutter, screed, and stick to create panel slots in stile and rail cabinet doors. Important: Cutters should be used one at a time. Stacking knives without staggering blades and adequate support between bodies can bend and warp bodies when tightening. Features: 6-bit 3-wing countersink bit slotting with 8mm shank 6 slotting cutters in the following sizes: 1.8mm,2.3mm,3mm,4mm,5mm,6.35mm(1 or 16", 3 or 32", 1 or 8", 5 or 32", 3 or 16" and 1 or 4") C3 Micro-grain carbide for long life and professional cut quality. Fully heat-treated body and body for increased durability. Build-up resistant coating and anti-kickback design. You can use the cookie cutter, screed, and stick to create panel slots in stile and rail cabinet doors. Specifications: Stem Size: 8mm Number of cutters: 6 Slit Cutter Sizes: 1.8mm,2.3mm,3mm,4mm,5mm,6.35mm(1 or 16", 3 or 32", 1 or 8", 5 or 32", 3 or 16" and 1 or 4") Depth of cut: 12.7mm(1 or 2") Cutting diameter: 47mm(1-7 or 8") Overall Length: 70mm(2-7 or 8") Bearing Outer Diameter: 22mm(7 or 8") Material: Carbide Tipped Important Notice: Knives 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 splashing of wood chips to hurt your skin and eyes. Contents: Router to Groove 3-Wing Bits lucky meet Note: the data are manual measurement, please allow 1-10cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.