Thumb-Release tripod creates a free-standing GPS antenna pole, prism pole or umbrella. The tripods feature large, smooth, thumb release buttons. The thumb lock design allows adjustment of tension without disassembly of the leg. The universal head will accommodate poles from 1-to-1.5-inch (25mm-38mm) diameter. The tripod is constructed of powder-coated aluminum. The legs extend to 6 feet (1.8 meters) for use in rugged terrain. The legs collapse to 43 in (109 cm). Adjust the leg tension by turning the thumb buttons! Weighs 6 lb (2.6 kg) Storage bag included.