The M-3 Connector is a QUICK LOCKING, connector that instantly secure items. It is ULTRA LIGHTWEIGHT, approximately 12.01oz. Size 3.93" Height, 2.3" Width 3". It is very durable and strong, holding up to 125lbs in test weight. It is primarily used to secure items to the MRS anchoring system, but it can be used independently to hang items in the garage or anywhere you like. The M-3 is a dual gate locking connector and a simple push on the springs allow the items to disconnect. It is made of a metal allow, coated for long lasting durability in inclement weather and is remarkably versatile. The connector comes with the MRS kit or sold separately.