Stainless Steel Adjustable Mounting Straps - these strong rust-proof straps will fit a round pole or post up to 8 1/2" inches in diameter. Easily adjustable with a simple screwdriver, they tighten with the help of a built-in screw device that grips the slotted strap. The strap can be trimmed to length using heavy wire cutters. Use with our slotted bracket or other mounting equipment - or fasten flags directly to lamp posts or fence posts.(Use in pairs to securely fasten brackets and other hardware)