The Tapered Round has a wider top and a narrower bottom with a rounded cutting edge. Use a Tapered Round for bead raising, block lettering, engraving on uneven surfaces, and line engraving. Length: 2.3" (58.42 mm). Tool Point Length: 1.03" (26.162 mm). Diameter: 0.125" (3.175 mm). Use with QC Tool Holder for 1/8" Round (#004-873).