Ground Anchors, 15 in

If you want a more secure way to hold down a trampoline or outdoor shelter, screw-in ground anchors offer a different approach from short stakes pushed into the surface. This black set is listed as four 15-inch anchors with straps, intended for several kinds of outdoor equipment.

Installation can be done by hand or with a drill, using the supplied T-wrench and 14 mm adaptor. That flexibility is useful when you would rather not turn each anchor manually, though the ground and your setup will affect how straightforward the job is.

Best use cases

These anchors are intended for trampolines, tents, bouncy castles, play towers with slides and swings, fences, sheds, carports and other outdoor structures. The straps provide a way to connect the anchors to the item being secured, for example, you could attach them to a trampoline frame before windy weather rather than relying on the frame’s weight alone.

The product description says they can be used in sandy or hard soil, but it does not give soil-specific installation guidance. The actual hold will depend on the ground where you place them and how securely the straps attach to your equipment. Makes sense if you need a reusable anchoring set for more than one type of outdoor setup. It won't be worthwhile if you need a documented, site-specific wind rating or instructions tailored to your exact soil conditions.

Product specs

• Type: Screw-in ground anchors
• Size: 15 in
• Colour: Black
• Set contents: Four anchors and four straps
• Installation accessories: T-wrench and 14 mm adaptor
• Stated wind performance: The description reports a test holding down a windmill in winds up to 65 mph

That wind figure is a claim about the described test, not a guarantee for every trampoline, tent or installation. Without having tested them, it is sensible to treat it as a reference rather than proof of how the anchors will perform in your yard. The listing also describes them as rust-proof and waterproof, and as less prone to deformation than plastic stakes, but it does not specify a material or provide further durability details.

Where it shines

The main practical advantage is the screw-in design: instead of relying on a stake that simply presses into the ground, the anchor is turned into the soil, then connected using a strap. For a trampoline in an exposed part of the yard, that gives you a clear anchoring method without needing a separate fastening system for each listed use. The included adaptor and T-wrench also mean the set comes with tools for manual installation, while the description says a drill can be used too.

Compared with a basic push-in stake, this is the more involved option, but it is designed to provide a firmer hold. A more demanding setup may still call for anchors selected for its particular frame, soil and exposure, none of those compatibility details are supplied here. Check that the straps can reach suitable attachment points and that the anchors can be installed securely before relying on them to hold down equipment.

Final decision

Choose this set if you need four screw-in anchors and straps for a trampoline or other listed outdoor structure, and the included manual installation tools suit your setup. The stated 65 mph result may help put the product’s intended use in context, but it should not be treated as a wind-safety guarantee for your own equipment. If your priority is a verified rating for a specific structure or a detailed match to local ground conditions, this description does not provide enough information to establish that fit.