2 PCS MARINE BOAT BIMINI TOP CANOPY FITTINGS SS 316 TOP JAW SLIDE 3/4" 19MM This is a set of 2 Top Jaw Slides for Bimini Top or Canopy Fittings that is formed and polished from type 316 stainless steel for appearance and durability. It has a mirror-polished surface. The pipe's overall diameter is to be 3/4", which is 19mm. The stainless steel surface provides maximum corrosion resistance and durability. We also have different measurements for top fittings. Check out our store to find out more about the top fitting that suits your application!