Set 3 (1.6x16, 2.6x16, 3.5x16) Solid Shaft Auger Drill Bit for Planting - Easy Planter Garden Auger - Bulb & Bedding Plant Augers - Post Hole Digger for 3/8 Hex Drive Drill

Standard size: 14 x 14 x 2mm -R150,4-indexable cutting edge,30 Cutting bevel,polished to a mirror finish for smoother cutting and longer tool life | Most Convenient-If one knife edge is dull or nicked, just turn it to another edge which greatly reduces you down time.and all are of the same sharpness | Made of Tungsten Carbide, more endurable, for long time usingCarbide cutter Corners are very sharp with virtually no radius Best choice for turning straight profiles | This replacement carbide inserts are designed to fit popular wood working system Cutter Headfor surfacing/planing cutterhead,groovers,helical headand lathe Turning Tool Tipped | 10pcs Carbide Inserts and Screws packed with a plastic container for safe and easy storage