Spring-Lock is a push button activated system. Spring-Lock uses a locking latch that extends from the post. Just press the buttom to remove post from base.
Post Height: 15.5"
Post extends 2.90" into the base
Post is Stainless Steel
Post Diameter: 1.77"
Top of post has opening for your seat mount (seat mount not included)
Dimensions of inside top of post 1.671" with bushing 1.572"
Works with all Springfield Spring-Lock Non-Locking Floor Bases
Works with SKU #3640203 for the Seat Mount
PLEASE NOTE THAT THIS ITEM MAY TAKE 10 TO 15 DAYS TO SHIP