Countersink Cage Thread Size 3/8 In.-24 Shaft Style Round Shaft Dia 5/16 in Removable Foot Plate Yes Foot Plate Material Nylon Foot Plate Size Wide Cutter Dia 7/8 in Incremental Depth Adjustment 0.0010 in 3 000 RPM Max RPM Shaft Swivel Angle 0 Degrees Overall Length 5 15/16 in Features 1-3/8 in O.D 1 1/8 in