Type M51 – Male Double Swivel Socket Member admin | August 9, 2020 One part of a type C51 combination fitting. This fitting can also be used for attaching flat panels to tubular structures. Add to quote Categories: All Products, Fitting, Klamp, Swivel Fittings Description Description Related products Type 90 – PGR Three Socket Tee Type 16 – Clamp-on Tee MH51 – MALE DOUBLE HORIZONTAL SWIVEL SOCKET MEMBER Type C52 – Corner Swivel Socket