Rubber stopper:Tree hook Large S-shaped metal hanger hook are made of sturdy stainless steel and rubber stopper in the end, which can good to prevent things from falling. Package:4 Pcs 12 inch Black tree branch hook with rubber stoppers in the end .Tree branch hook has large and small heads, which can meet different widths of suspension. Large S Hook: Black powder-coat finish can anti-rust, and smooth shoulder has no gaps,strong and reliable, safe to use.12 Inch tree branch hooks for hanging long enough to hang bird feeders, plants, baskets, bird house, and lanterns. Size: Black Bird Feeder Hook for tree is 12 inch/ 30 cm in length, bigger diameter: 5.2 inch/ 13 cm, smaller diameter : 2.4 inch/ 6 cm. Widely applied:tree hangers is good to hang inIndoors and outdoorssuch as gutters, ladders, balconies,trees, bushes,and more in garden.Tree hanger hooks is also ideal for hanging plants, wind chimes, baskets,and other decorations.