Champion SA80 Straight Shank Maintenance Reamer Used in steel erection; automotive; truck & trailer manufacturing and repair Quickly aligns structural steel Cuts stainless steel and tough alloys Deburrs welded and punched holes Ideal for maintenance and repair Straight Shank Left Hand Helix Right Hand Cut Collar Stop HSS Champion SA80 Maintenance Reamer 1-1/16" SA80-1-1/16