Female Threaded Straight Coupler

20mm x 1/2", 20mm x 3/4", 25mm x 1/2", 25mm x 3/4", 25mm x 1", 32mm x 1/2", 32mm x 3/4", 32mm x 1", 32mm x 1 1/4", 40mm x 1", 40mm x 1 1/4", 40mm x 1 1/2", 40mm x 2", 50mm x 1 1/4", 50mm x 1 1/2", 50mm x 2", 63mm x 1 1/4", 63mm x 1 1/2", 63mm x 2", 75mm x 2", 75mm x 2 1/2", 75mm x 3", 90mm x 2", 90mm x 2 1/2", 90mm x 3", 90mm x 4", 110mm x 3", 110mm x 4"