Dovetail bits, two flutes, 6.35mm(1/4") shank with shank mounted bearing guide.Black Router Bit - Cutting Angle: 10; Cutting length:12.7mm( 1/2"); Cutting depth:12.7mm( 1/2"); Total length: 59mm(2-5/16");Yellow Router Bit - Cutting Length: 15.9mm(5/8"); Cutting depth: 14.3mm(9/16"); Overall Length: 63.5mm(2-1/2"); Compatible with dovetail jigs, fence systems or common automatic CNC routers. Cuts all composite materials, plywoods, hardwoods and softwoods. This section for all kinds of 'cabinets, door frames, picture frames, ceiling lines, corner lines of the various flower line processing is the necessary tool for decoration, the blade for the engraving machine, edge machine, etc.Features: Compatible with popular dovetail jigs, these bits produce smooth, intricate dovetail joints. Two-flute, 1/4" shank with shank-mounted bearing guide. Solid hardened steel body with anti-kickback design. Highly durable, can be used for the most rigorous industrial applications. Precise, smooth and detailed cuts, ideal for projects of any level of complexity. Exceptional abrasion resistance and high strength for extended life. Attention: This product is sharp, so avoid children. In order to prolong the service life of this product, please use it properly. Please put it in a dry and ventilated position when using it. Specification: Quantity: 2pcs Material: Cemented Carbide Colour: Silver & Yellow & Black Bearing: Fully enclosed and lubricatedBlack Size: Stem Diameter: 6.35mm(1/4") Cut Length: 12.7mm(1/2") Cutting depth: 12.7mm 1/2") Overall Length: 58.76mm(2-5/16") Bearing Diameter: 12.7mm(1/2") Yellow Size: Stem Diameter: 6.35mm(1/4") Cutting length: 15.9mm(5/8") Depth of Cut: 14.28mm(9/16")Total Length: 63.5mm(2-1/2") Bearing Diameter: 12.7mm (1/2")Contents:2 Set Dovetail Bearing Router Set Note: The data are all manual measurement, please allow 1-3cm error, due to The light and display difference, there will be some color difference, depending on the physical object received.