Yakamoz 4Pcs 1/4 Inch Shank Hinge Mortising Flush Trim Template Router Bit Set Perfect to routing door hinge mortises using a hinge template.Easily perform all types of template routing using the Equipped shank bearing. High quality alloy blade by heat treatment,sharp and durable,precision balanced for smooth operation. Build-up and heat resistant coating prevents build-up of sawdust, resin, and pitch. Cutters with anti-kickback design can slice smoothly into stock producing clean, splinter free. Flush Trim Hinge Mortise Template Router Mills Bit can be used for cutting woods, particle board, plywood compact panel, avoid cutting metal.