Comes with: 2 Wrist Straps, 2 Sky Hooks, and 2 Sky Docks The SkyHook™ switch connector tethers to the tool on a short lanyard and provides secure tool transfers, a free range of motion, and positive tool control at the worksite. Mechanism is made from Dupont Delrin®, stainless steel springs and brass rivets for strength, durability and corrosion-resistance. The SkyDock™ attachment securely anchors the SkyHook™ to wrist, belt, apron or station. The SkyDock™ wrist strap securely anchors the SkyHook™ to the wrist. Just “Swipe to Switch”. Hand-to-hand, hand-to-belt, person-to-person or person-to-station, the transfer is the same. See all photos, text message is better, see my other adds. thank you.