EANOSIC 5 Pieces Solid Carbide Nano Blue Coated Spiral Up and Down Cut Router Bit with 1/8-Inch shank and 1/8-Inch cutting diameter, 3/4-Inch cutting length-Spiral compression router bit used for smoothly upcut and downcut groove and slots, Mortises, Cycles and dados, Plunge cut leave with clean edge and top surface. - HIGH PROCESSING EFFICIENCY: The edge of end mill bits is HARD and SHARP, process the heat treatment materials under 32° with high speed, reduce changing times and improve the production efficiency.- STRONG and DURABLE: The Nano Blue Coating with High Hardness and Heat Resistance. The spiral end mill bits are made from Ultra-fine steel bar, with high bending resistance and abrasion resistance, exclusive to HIGH HARDNESS, HIGH SPEED CUTTING applications. - CUTTING EDGE DESIGN: The bottom of spiral router bit is u-shaped groove design, large front angle effectively reduces cutting resistance, sharp and durable, convenient for chip removal, further improve machining efficiency.- Straight shank handle, rounded chamfer design for easy installation and improved work efficiency.- Large chip flute design for smoother chip removal, making the work piece smoother and brighter.Specifications: Flute: 2 Cutting Diameter: 1/8" Cutting Length: 3/4" Shank Diameter: 1/8" Full Length: 1-1/2" Material: Carbide Package Contents: 5 * Up and Down Cut Spiral Bit All of Our Tools for EANOSIC Comes with 100% Satisfied Customer Services - Lifetime Warranty - 12 months money back guarantee or exchange Please don’t hesitate to contact us if any questions, we are always at your services.