PRODUCT DESCRIPTION 1/2" (Dia.) Up Spiral Bit FROM THE MANUFACTURER 1/2"diameter Up Spiral Router Bit 2"carbide cut height 1/2"shank solid carbide. For cutting mortises,grooves, dadoes and routing deep blind holes with effective chip removal. Key Features: Specs: Number of Cutters 2, Overall Dia. 1/2", Overall Length 4", Shank Dia. 1/2", Carbide Height 2" Fast chip removal with excellent quality and long life Use in CNC, hand-held and table-mounted routers Black I.C.E. coating for cool cutting edge and superior chip evacuation Freud Premier Solid Carbide Black I.C.E. + Freud TiCo Hi-Density Carbide = 2X increased life and performance vs. standard uncoated bits Freud micrograin carbide for long life Anti-kickback design for safety Shear angle design produces superior finish Multi-axis grinding for burn free cuts Perma-shield coating to resist heat