Description:Air control valve is a hand operated air release mechanism used for air actuation controls on Cat machines.Attributes: 2-position valve Aluminum body with metal lever Supply Port: 1/8-27 NPSF Thread Delivery Ports (2): 1/8-27 NPSF Thread Fits in 26.99 mm (1.06 in) diameter panel mounting holeApplication:Used for parking brake control on Cat machines. Consult your owner's manual or contact your local Cat Dealer for more information.