Board Rack Mount - 4 Bolt - Silver - PairThese board rack mounts are machined from aerospace-grade billet aluminum and are anodized and electropolished to give you years of maintenance-free use. Designed specifically to mount the PTM Watersports Board Racks to a 1.2a ^2-square 4-bolt pattern. If you are unsure whether these mounts will work for your boat, reach out to us, and we will get you the correct mounts. - cis2:mm5mnJlm -