CE Smith 12" Panel Bracket Assembly These CE Smith Panel bracket assembly is made of a strong hot-dipped galvanized material for durability in marine environments. This bracket assembly includes rollers and pre-assembled 5/8" shafts. It is designed with 1/2' x 5' slots to allow you to adjust it to your hull needs. The included spoon rollers are made of yellow thermal plastic rubber.Features: 12" spoon roller; Thermal Plastic Rubber; Mounting slots are 10" on center;