About This Spec: Include 4pcs steel ground anchors per box ,12" 30CM long; 3" 8MM diameter; hook is 1-1/2 inch .U shape Durable: This thick steel ground stakes, suitable for hard ground and resulting in fewer bent Staples than lower grade alternatives Material: The Metal ground stakes are made of high quality galvanized ,galvanized rust proof ,sturdy ,durable Heavy-Duty product for professional landscaper use, NO BEND - Solid/Strong Construction. Not bent when pushed into the lawn/hard soil ground. Landscape Staple/Pins Widely Used: The ground rebar stakes are very useful tool for outdoor activity, swing sets, slides, fences, yard decorations, tents, nets, trampolines ,landscape edging ,sports training equipment ,gazebos ,garden fence ,prevent the tents or sheds to slipping away in winds Overview Material : Alloy Steel Color : silver Brand : CXWUZH Product Dimensions : 3.2"L x 2"W Style : U-shaped galvanized steel