Aluminum Pole Mount in Urban Grey color. For indoor and outdoor installations. Suitable for poles diameters between 100-410 mm (4"-16”). Includes 1 pair of AXIS Stainless Steel Straps 1450mm (57") with TX30 screw interface for ease-of-installation. AXIS T91B57 is compatible with mounts such as AXIS T91G61, T91H61, and AXIS T98A Surveillance Cabinet series.