Spit Roaster Rod Adapter will fit a 5/16" to 1-3/8" spit rod
Use your own spit rod for DIY spit roasters

This adapter will enable you to attach a spit rod from 5/16" to 1 3/8" round or 5/16" up to 1" square. This will enable you to use a spit roaster motor that has a 1/2" shaft with a T slot. 
It has 4 set screws so you can easily attach the spit rod of choice.
Made in the USA from 6061 aluminum  
                 Spit roaster motor and mounting brackets sold separately