Prevent damage to threads with this rigid hydraulic hose plug. Each plug is designed for a hole dash size of 10 and can withstand a maximum pressure of 4500 psi at a temperature of 70 Degrees F. Hose fitting A is male and has a M16 x 1.5 millimetre thread size, with a DIN 24 light connection type. Hose fitting B is male and has a 1 1/16"-12 thread size, with a JIC connection type. Each plug is made from carbon steel with a zinc finish.