BulletProof Hitches Medium Duty 5/16" Safety Chains (Pair) Model MDCHAINSBulletProof Hitches Medium Duty 5 16" Safety Chains (Pair) Model MDCHAINS The most important but also most overlooked connection when towing is the safety chains. Many times, the factory length safety chains are not long enough to connect your trailer to your hitch receiver when utilizing a drop hitch. The BulletProof Medium Duty 5 16" Safety Chains feature an overall length of 38 inches and are rated to a 18,800 pound weight capacity per pair. Made