If you're looking for a better way to construct multi-sided boxes, planters, and columns, then look no further. With these bits, there's No need for complex miters and time-consuming Set-Ups. Instead, simply choose the bit based upon the number of sides on the box, rout the joint, and assemble. Unlike a Miter joint, The joint created by these bits aligns itself. And the joint stays in alignment while gluing; No more slipping and sliding out of position, #54272, diameter (D) 1-3/4, angle (a°) 45°/45°, cutting height (B) 1-3/64, Shank (D) 1/2, overall length (L) 2-21/32, # of sides 8, 54272 carbide Tipped multi-sided glue joint 45/ 45 deg x 1-3/4 dia x 1-3/64 x 1/2 inch shank