Specifications: Worked exactly and use them for tie down anchors on the deck to stabilize tents stands in windy conditions. Easy to use, no harm to deck, provides more convenient camping experiences. Fit for camping, hiking, climbing, etc. Portable and endurable helix shaped, firmly, resistance to high pressure. Tent pin should keep 60° with ground, and the top of pin should keep 3cm distances with ground. The top of handle that is a nice extra feature to assist with the stake removal. Item Name: Fish Bone Screw Material: Aluminum Alloy Quantity: 1Pc Features: Fish Bone Shape, Durable, Camping Tools Size: 6.7cm x 3.5cm/3.64" x 1.38" (Approx.) Notes: Not suitable for hard ground. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Fish Bone Screw