I recently bought TBRA006. One bolt has a spring and washer on it to be slide in to the keyhole mount, the other does not have the spring and washer. I am mounting this on a jeep JKU in a perpendicular fashion. I am not sure of the stability? Kyle Relleen 03 May 2020 14:47 Updated Follow Yes, the (TBRA006) only needs a spring and washer on 1 male post. Once slotted in, there will be enough stability. Front Runner team. This question is about: Stainless Steel Vehicle Side Mount Table w/ Basin - by Front Runner (TBRA006) Comments 0 comments Article is closed for comments.