Guardian Arc-O-Pod Tripod System* This 7' aluminum tripod is lightweight and portable (with included carrying case) and can be easily set up by one worker. * The Arc O Pod features adjustable locking legs that are kept in position with locking pins and adjusts quickly in increments of 2" for added safety. * This tripod will span a 5 1 2 ft diameter hole and comes complete with safety chains to prevent movement. * The tripod legs includes non slip safety shoes that incorporate a