Giddings & Lewis Model WinsloMatic HR Drill Point Grinder 1.5" diameter capacity G&L WinsloMatic Model "HR" Drill Point Grinder 1.5" Maximum drill dia., 12" X 0.75" Grinding Wheel, Specifications and Equipment Diameter ground, standard drills: 0.0625" (min.) to 1.5" (max.) Diameter ground, helical drills: 0.0625" (min.) to 1.5" (max.) Diameter ground, Racon drills: 0.125" (min.) to 1" (max.) Diameter ground, Bickford drills: 0.125" (min.) to 1" (max.) Diameter ground, split-point drills: 0.0625" (min.) to 0.5" (max.) Drill point angles ground: 60 to 120 Degrees Grinding wheel size: 12" (diameter) X 0.75" (face) X 5" (bore) Additional features: (8) Index Bushing, Plates (Mostly Metric) Drill Holders Up to 3/4", (1) Wheel Hubs Set-Up Charts, Cycle Counter, Flood Coolant, Work Light pneumatic Diamond, Dresser, Additional Tooling