The gazebo stood through two summers and then one afternoon in November the southerly came through and it was in the neighbour's yard. Everybody discovers the same thing the same way: the peg that came in the box is a bent steel pin about as long as your hand, and it holds in soft ground on a still day. Wind does not pull a peg sideways, it lifts it straight up, and a pin has nothing to resist that with. These screw in like a corkscrew and the whole 38 cm of spiral has to be wound back out before anything moves.

Why It Stands Out

• A full spiral, not a pin — the blade runs the entire length, so the soil sits above every turn of it. Lifting the anchor means lifting the column of earth threaded through it.
• 38 cm into the ground — that is past the dry crust and into soil that still has some moisture and body in it, which is where holding power actually comes from.
• 31 mm of blade width — a wide helix bites a bigger diameter of soil than a narrow one, and that diameter is what you are relying on in a gust.
• A removable top eye — the ring unthreads, so you can take it off and leave the anchor flush in the lawn over winter rather than pulling the whole thing out.
• Four ways to drive it — by hand on the ring, with the supplied T-wrench, with a spanner or ratchet, or with a cordless drill using the nut driver bit in the box.
• Powder-coated steel — it lives in wet ground through a whole season, which is a harder ask than anything above the surface gets.
• Four in the pack with a carry bag — most things worth anchoring have four corners, and the bag means they are still together next summer.

Where to Use It

• On the four legs of a gazebo or marquee — the job most people buy these for, usually the week after one got away from them. Gazebo pegs that came in the box are not in the same category.
• At the corners of a garden shed — a light steel or resin shed on a pad is a sail. A shed anchor at each corner turns it into part of the ground.
• Through the feet of a trampoline — strap over the frame and down to an anchor on opposite sides. This is the one that moves furthest in a storm and does the most damage when it goes.
• At the low corners of a shade sail — where there is no post and nothing to fix to, a ground anchor gives you a fixing point in open lawn.
• Around a greenhouse or a polytunnel — the structures that are light enough to lift and expensive enough to matter.
• On a swing set or a play frame — the legs rock a little every time it is used, and the anchor takes that rather than the ground working loose around a pin.
• Camping, at the beach or on a river flat — as screw in tent pegs for a big tent, a tarp or a boat cover, including in sand where nothing straight will hold at all.

How It Works

1. The tip starts the hole and the spiral does the rest — once the point is in, turning it pulls the anchor down under its own thread rather than you pushing it.
2. Each turn of the blade traps a layer of soil above it — so an upward pull is loaded against the whole column of earth sitting on the helix, not against friction on a shaft.
3. The plate sets the depth — the disc above the spiral stops at the surface, which tells you it is fully home and spreads the load at ground level.
4. The eye takes the strap — rope, ratchet strap, carabiner or a chain through the ring, and it unthreads when you want the anchor out of the way.

How to Install It

1. Water the spot the day before if the ground is hard — ten minutes with the hose turns summer clay into something that takes the thread. Dry ground is the only reason these are ever hard work.
2. Start it vertical and keep checking — get the tip in straight and look at it from two sides after the first few turns. An anchor that goes in on a lean pulls out on that lean.
3. Pick your tool for the ground — hand or T-wrench in lawn and sand, a ratchet when it tightens up, the drill bit and a cordless drill when you have four to do and clay to get through.
4. Wind it until the plate meets the surface — all the way down. A spiral half in is holding with half its blades and that is where failures come from.
5. Angle the anchor away from the pull — lean the top slightly away from whatever you are tying down, so the strap works against the length of the spiral rather than trying to lever it over.
Tip: set them wider than the thing you are anchoring, not directly under it. A strap that runs down and outward at an angle pulls the anchor along its axis, which is the direction it resists best. Straight down from the corner and every gust is trying to tip it sideways instead.

Care and Maintenance

• Rinse the soil off before they go in the bag. Clay dried onto the thread makes the next install harder than it needs to be.
• Check them after storms. Ground moves when it gets saturated, and a quarter turn now and then keeps them home.
• Take the eye ring off for anything you leave in the lawn. Flush with the surface means nobody catches a foot and the mower goes over it.
• Store them dry in the carry bag. Powder coating handles wet ground; it does not love sitting wet in a shed corner all winter.

Specifications

What's Included

• 4 × Spiral ground anchor
• 1 × Power nut driver drill bit
• 1 × T-handle hex wrench
• 1 × Carry bag