Makers of Gear Keeper Retractable tethering systems, the Original SCUBA retractors. Featuring High durability, patented flushing system, and the Q/C-II attachment systems that minimize gear dangle-length while providing convenient gear connect/disconnection. Available in various models and retraction forces to address a variety of SCUBA equipment, i.e., consoles, flashlights, computers, knives, slates, etc. Made in the USA and backed by Hammerheads guarantee of Quality. The addition of the RT4 Combo mount retractors make them even more dealer / consumer friendly.