8 x 1/4" BSP Female Thread. 8 x 1/4" BSP Male Thread. 2 x 1/4" BSP Fitting with Female Thread. 2 x 1/4" BSP Fitting with Male Thread. The Air Hose Couplings Can be Used for Pneumatic Tools, Air Compressors, Air Nail Guns, Air Guns, Hight Pressure Cleaners, Air hoses, etc.
