High Quality: Made Of Stainless Steel, Strong And Durable. It Is The Perfect Tool For Any Outdoor Sport, Jungle Craft, Lumberjack Or Handyman, Etc.Sharpness: Each Spiral Has Been Professionally Polished To Drill A Perfect Hole With Precision. Self Tapping Lead Screw Design Is Convenient To Manually Drive The Woodworking Drill Bit.Perfect Size: Fits Larger Wooden Posts For Higher Torque And Easier Drilling.Suitable For: This Survival Drill Bit Can Be Used In Cork/Green Lumber Projects Such As Fish Traps, Chairs, Mallets, Ladders, Maple Taps And Most Importantly Survival Shelters.Camping Survival Gear : Throw It In Your Bushcraft Backpack As The Ultimate Bushcraft Tool Over Other Primitive Hand Tools And Survival Tools. Comes With A Leather Coat. Recommended For Softwood/Green Wood Projects Such As Fish Traps, Chairs, Mallets, Ladders, Maple Syrup. Note: The data is all manual measurement, please allow some 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received.