Fastway Chain-up Safety Chain Holder for Weight Distribution and Multi Ball 82-00-3090 Lifts your safety chains of the ground to keep them from dragging. Helps prevent wildfires by preventing sparks from safety chains. The Chain-Up for WD / Multi-ball is designed to work with a weight distribution hitch or adjustable ball mount with rotating, multiple hitch ball sizes. Fits 2 and 2-5/16 hitch balls. Always there when you need it. Keeps your chains crossed and off the roadway. The Chain-Up takes the hassel out of chaining up.