Features:   Made From Zinc Plated Heat Treated Hardened Steel Allow for quick  and easy connection and disconnection of air tools Two step type - pull back to open and release to lock Specification: 1 x 1/4” Female coupler 1 x 1/4” Male coupler 1 x 3/8” Male coupler 2 x1/4” Female plug 2 x 1/4” Male plug 2 x 8mm Hose tail plug 1 x 3/8” Female plug 1 x 3/8” Male plug 1 x 10mm Hose tail plug Thread type: 1/4” and 3/8” BSP taper