Material: 45 carbon steel Color: black Size: 10 x 230mm or 0.4 x 9.06 inch, 16 x 230mm or 0.63 x 9.06 inch, 19 x 230mm or 0.75 x 9.06 inch, 25 x 230mm or 0.98 x 9.06 inch (optional)Application: outdoor activities, jungle craft, camping, handyman, etc.Features:[Sharp andamp Durable] Our manual auger drill is so sharp that it can drive through the hardest of woods with ease, drilling a deep hole without crushing your fingers or knuckles.[Easy To Carry] Our manual auger drill is small in size and lightweight making it easy to put in backpack and tool bag, convenient for bushcraft woodsman or handyman.[Wide Application] Our manual survival drill can be used for home projects, building cabin pin holes, making furniture, sawing horses, rocket furnaces, mallets, etc.[Size Optional] There are 4 optional size: 10 x 230mm or 0.4 x 9.06 inch, 16 x 230mm or 0.63 x 9.06 inch, 19 x 230mm or 0.75 x 9.06 inch, 25 x 230mm or 0.98 x 9.06 inch. The compact size and lightweight design make it easy to carry.Packing list:1x Manual Auger Drill