Bumper post 10-32 x 2-1/2 inch 6-32 stud
Metal post with hex base 6-32 top stud and 10-32 thread on bottom.
Overall length is 2-1/2 inches.
Stern recommends using this stronger 530-5332-03 post instead of 530-5007-00 post.
The 530-5007-00 snaps too easily and has been discontinued.
Service update instructions: