If you don't have this part to brace your convertible top cylinder brackets you could do damage to your floorpan. This welds to the floor. Danchuk # 10009 will work on any 1955-57 classic Chevy convertible. Sold as a pair. Made in the USA.
Danchuk has the largest selection of quality 55, 56, 57 parts for your classic Chevy project.