Designed for creating T-Slot wall panels (used to cut their characteristic slots for many purposes) and radiused edges on the t-slots (allow easier adjustment of fixtures on the completed wall panels). for best results use in CNC and table-mounted routers, #45671, diameter (D) 1-3/8, angle (a°) 30°, cutting Height (B) 35/64, shank (D) 1/2, overall length (L) 2-3/64, B1 1/4, Type bevel, flutes 2, D1 3/8, A1° 15°, 45671 T-Slot beveled edge 1-3/8 dia x 35/64 x 1/2 inch Shank