Uxcell a14101300ux0213 77mm Long End Bearing Corner Roundover Router Bit Tool 1/2" x 2" Product Name : Rounding Over Bit ; Standard : 1/2" x 2" ; Bearing Diameter : 12.7mm Shank Diameter : 12.7mm / 1/2" ; Cutting Diameter : 50.8mm /2" ; Cutting Radius : 25.4mm /1" Cutting Depth : 32mm / 1.3" ; Cutting Width : 25.4mm / 1" ; Overall Diameter : 63.8mm / 2.5"