You are buying a Rear CJ Rock Crawler 1310 Slip and Stub style Driveshaft with Greasable U-joints made by Adams Driveshaft.Contents:(1) Adams Driveshaft 1310 Rock Crawler Driveshaft made out of 2 inch x.120 Wall Tubing and 7 inch Long Slip and Stub. Lifetime warranty on the tubing and welds if you break them by torque.(1) Free Adams Driveshaft T-Shirt. Sizes to choose from: M, L, XL, XXL, XXXL, XXXXLDriveshafts come painted Gloss Black Show Quality.We do know most of the measurements for your CJ's Rear Driveshaft, but there are some we do not due to the many different size of lifts, differentials, belly up's, etc.Yoke may come in Silver or Black.