Commercial Vehicle Tire Inflation Tool PCL Short Twin Hold On Open End 14 BSP Push Pull Air Togo Twin Wheel Connector This connector has a pin which unseats the tyre's valve when in use. An Open End connector is used with MK3 Tyre Inflator, PCL wall gauges and PCL portable gauges. This connector has a pin which unseats the tyre's valve when in use Specifications: Genuine PCL: CO5A03 Black rubber handle Air Inlet: 1/4 BSP female thread End Type: Hold On Overall length: 150mm PUSH-PULL PUNZON ISO A AGRICOLA Air Inlet: 1/4 BSP female thread , Overall length: 150mm , Black rubber handle Push/Pull Fitment (Hold On) , Genuine PCL: CO5A03 CO1A03 Twin Hold-on Tyre Valve Connector | PCL Access both inner and outer valves of twin wheel assemblies on commercial vehicles. An Open End connector is used with MK3 Tyre Inflator, PCL wall gauges and PCL portable gauges. A Closed End connector is used when air is supplied directly from a main air line (i., e.