24 inch 24" Dresser type 38 pipe pipeline clamp coupling 600mm Dresser Coupling Style 38 Style 65 Style 90 Trupply Wal Rich 2815806 Style #90 1 1 4" Insulated Dresser Coupling Bolted Sleeve Type Couplings for Plain End Pipe OKVAL brand bolted sleeve couplings are used to join Plain End Pipe ,okval dresser coupling design has sleeves which slide over the pipe ends to which DRESSER 3 4" ANCHOR PIPES #ST85 LOT OF (12)