This swivel hydraulic adaptor is made from carbon steel with a zinc finish and made for hoses with a hole dash size of 12. This straight-fitting adaptor can withstand a maximum pressure of 4000 psi at a temperature of 70 Degrees F. Hose fitting A is female and M20 x 1.5 millimetres in thread size, with a metric connection type. Hose fitting B is male and 9/16"-18 in thread size, with a JIC connector type.