Micro 100 QBM-4601500 Right Hand Quick Change Boring Tool for Milling Machine, Solid Carbide Tool, 0.460"(11.7 mm) Minimum Bore Diameter, 1.500" (38.1 mm) Maximum Bore Depth, 0.225" (5.70 mm)Tip of Centerline to Cutting Tip, 0.008" (0.20 mm) Tool Radius, 0.5000" (12.7 mm) Shank Diameter, 3"(76 mm) Overall Length