Ideal for creating 90 corner joints (Please receive promo code on product page upon purchase for cheaper price.) Easy to join by running one board vertically and the joint board horizontally For use on CNC and other automatic routers as well as portable portable and table-mounted routers Produces locking miter joints in the blink of an eye Cuts all composition materials, plywood, hardwood and softwood Product description Size: 8mm Shank 51mm Diameter Cut 8mm Locking Bolster makes locking miter joints a snap. Ideal for cigar humidors and jewelry boxes, this bit allows you to run a board vertically and run the workpiece horizontally. This precision carbide drill is made with added titanium, making it virtually impervious to chemical attack. The bit is computer balanced to ensure vibration-free operation at speeds that represent a margin of safety greater than the 22,000 rpm typical of most routers. For use on CNC and other automatic routers as well as portable and portable tabletop routers, this bit cuts all composition materials, plywood, hardwood and softwood. Feature: Use the 45 bolster joint reversible bit to assemble the boards at 90 . Locked 45 cuts produce extremely strong joints without having to struggle to hold boards in place while tightening. It will provide an additional bonding surface resulting in an extremely strong and durable joint. Ideal for use with a 24mm stock, two two-tooth carbide burs and an 8mm shank. Specification: Condition: 100% new Body material: solid hardened steel Blade material: Industrial grade micro grain carbide Shank size: 8mm Cutting diameter: 51mm (2 ") Total length: 64mm (2-1 / 2 ") Cutter Height: 24mm Content: 1x 8mm 45 Locking Bolster Router