1 pair marine-grade (SS316L) stainless steel straps with TX30 screw interface for ease-of-installation. Length 1450mm (57"). Width 14.3mm (0.57"). Thickness 0.68mm (0.03"). Compatible with a wide range of Axis pole mounts. Pole diameter range 100-410mm (4"-16") when used with AXIS T91B47 Pole Mount.