Specifications︰ Item No. / Male End x Female End ( inch )
R-04x04 1/4 x 1/4
R-04x06 1/4 x 3/8
R-04x08 1/4 x 1/2
R-06x04 3/8 x 1/4
R-06x06 3/8 x 3/8
R-06x08 3/8 x 1/2
R-06x10 3/8 x 5/8
R-08x06 1/2 x 3/8
R-08x10 1/2 x 5/8
R-08x12 1/2 x 3/4
R-10x08 5/8 x 1/2
R-10x10 5/8 x 5/8
R-10x12 5/8 x 3/4
R-12x08 3/4 x 1/2
R-12x10 3/4 x 5/8