THE HOLE IN THIS DONNAY BALL IS 3/8 INCH! THIS IS A SOLID CORE UNLIKE SOME BALLS THAT HAVE RUBBER IN THEM!!.WHICH IS NOT SAFE TO DRILL AS THEY ARE MORE PRONE TO EXPLODING.THE SPANNER SHAFT IS 3/8 INCH. THE ENDS OF THE SPANNER ARE 1 INCH OVERALL OPEN END AND 3/4 INCH OVERALL RING END.THIS TOOK UNDER AN HOUR TO PER-FECT.JUST DID IT TO SEE IF IT WAS POSSIBLE TO DO.AND IT WAS..AS ALWAYS I TRY TO DO THE IMPOSSIBLE.IF YOU DONT TRY ?YOU WILL NEVER KNOW????
Here are some supplies and tools we find essential in our everyday work around the shop. We may receive a commission from sales referred by our links; however, we have carefully selected these products for their usefulness and quality.