Product description Material: steel + nylon Floor nail size: 40cm Packing range: 4*screw nail +4*webbing 1.?METAL NYLON WEBBING?: 4PCS Thickened 1.6mm with metal buckle, can be adjusted to any length, bearing 450IB, can easily adapt to camping, trampoline, pets, etc. 2.?SPIRAL ANCHORS?:The Stake is easily screwed into soil to anchor the tie out system. 16" deep into soil - holding power up to 450 lbs. 3.?PERFECT SIZE?: Trampoline Anchor Kit Includes 4pcs Spiral Anchors with 4pcs Heavy Duty Tie Downs fits all round or rectangle trampolines. 4.?STRONG PROTECTION ?: This Ground anchor protects you from Trouble with trampoline shifting,Can adapt to a variety of situations that need to prevent displacement. Tough Strong Belt straps easily connect to the steel buckles for fast assembly and disassembly. 5. ?Comprehensive use? - for fastening objects, e.g. trampolines, slides, swings or boat, protects against wind, fit on all garden trampolines and leisure trampolines and many other things that need to be attached outdoors.nbsp;