No Rust: our outside lights gutter hangers for gutter guard are made of stainless steel, do not rust, you do not have to worry about rust through rainy weather; And they are sturdy and Specially Designed Groove: specially designed groove on the hooks can be better fixed on the gutters with perforated; It keeps the lights stable, even in a storm. Hangers do not bend or break, perform well in all weather, and are ideal for outdoor or indoor use Size Information: our Christmas light clips for gutters are approximately 2.24 inches / 5.7 cm length, 1.81 inches / 4.6 cm width and 0.08 inches / 2 mm thickness, suitable to hang your Christmas string or rope lights on gutters Christmas light hooks for gutter guards, the enough quantity to meet your Christmas or use and change; And widely used in C5, C6, C7, C9, mini lights, icicle lights, string lights Fits either Mesh or Perforated Gutter Guards: the hook is 2/25 inch in diameter, and it is suitable for most mesh and gutters with perforated; And it is easy to install, you place the drill bit down into the gutter guard holes, then it work great