Brew City CT-360 - Rail Bottom with Insert P/N 000-1002 Brew City Sale! from $18.00 USD /per Rail bottom w/ plastic sleeve attaches to the CT360 base to mount on a rail. This will work on a 7/8" and 1" rails. Use the plastic sleeve on 7/8" rails. Produc variants Default Title Qty. Add to Cart Couldn't load pickup availability Refresh