Micro 100 QRR-025-10 Quick Change Retaining Ring Grooving Tool, Solid Carbide Tool, 0.025" (0.64 mm) Groove Width, 0.050" (1.27 mm) Projection, 0.245" (6.2 mm) Minimum Bore Diameter, 0.625" (15.9 mm) Maximum Bore Depth, 0.2500" (6.4 mm) Shank Diameter, 2" (51 mm) Overall Length