Outdoor Furniture and Structures]:Whether preparing for season or ongoing high winds, the 7Penn 15 Inch Black Drill Ground Anchor Stakes with Removable Eyelets provides secure stability to tie down holiday decorations or outdoor furniture [Drillable Design for Easy Installation]:Screw-in eyebolt detaches to allow easy attachment to your drill; Use your 17mm socket to drill these mail box post anchor trampoline stakes into the ground in as little as 10 seconds [ Security]:Designed to dig deep into the ground and provide up to 250 pounds (113.4kg) of pull force for security against storms; Round eyebolt allows you to attach rope or tie down straps (not included) [Multiuse Inground Post Anchors]:Secure your camping tents, catering and party canopies, or temporary shelters and car ports with ease; Can also be used as a trampoline anchor kit, swingset anchor kit, gazebo tie down kit, or as mailbox post anchors [Package Contents]:Each tie down anchor kit includes (4) black 15-inch (38.1cm) reusable earth auger tent stakes; Cold, rolled steel ensures durability and strength, while powder coating resists cracking, chipping, and corrosion Brand: Unbranded