These pins fit the Reese outboard fifth wheel rails. If you are using the 30153 rails with any fifth wheel other than the R16/R20 you will need this kit. These longer pull pins, with a single hole for the cotter pin are included with the R16/R20 fifth wheel hitches but are not included in the rail kits.
Pin kit fits Reese outboard fifth wheel rails
Required for Reese #30153 rails
Pin Size: 1/2" diameter x 4-1/4" length
Includes four pins and four clips