Marine Boat Durable SS 316 Hand Rail Fitting Rectangular Base 90 DEG 7/8" 22.2MM This is a 90 Degrees rectangular base hand rail fitting that is formed and polished from type 316 stainless steel for appearance and durability. It has a mirror-polished surface. The overall diameter of the pipe is 7/8", which is 22.2mm. The base size of this product is 3"(L) X 1.7(W) (77.3mm X 43.9mm). The stainless steel surface provides maximum corrosion resistance and durability. We also have different measurements for round and rectangular bases with various Degrees. Check out our store to find out more about the base that suits your application!