Champion Cutting Tool SA80-1-1/4 Maintenance Reamers 3/4" Flatted Shank. Narrow Point Enables the Reamer to Fit into Small Holes. Five Cutting Edges Yield Quick and Efficient Results. Enlarge and Align Holes in Structural Steel, Including Stainless Steel and Tough Alloys. Recommended for Use in Truck & Trailer Manufacturing, Maintenance, Automotive and Repair.