Drill Point Sharpening Gage - Hints for hand grinding twist drills The DRILL POINT SHARPENING GAGE is the tool most frequently used to check the drill point during the sharpening operation. Standard or Metric Sizing Available. Shows the drill point angles, drill hole sizes, and a chart for recommended angles from mild steel to hard rubber. It is made of aluminum with very dark, clear markings. A great tool to have in the shop or as a gift! Please view the pictures for more details. Size: 3.149" Inches x 3.936" Inches Thickness: 0.0354" Inches Hole Sizes: 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 3/8, (Fraction) Point Angles: 60', 140', 118', 90', 130' Weight: 0.460 oz SKU: BGT-DPG-S