PCL Tyre Valve Connectors – Single Clip-on Open End AL61. £18.26 inc VAT £15.22 ex VAT. For 6.35 mm bore hose Compressor Air Hose Connector Tyre Valve Connector Single Clip On Open End Tyre Valve Connector Clip-on 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 Additional Key Information:Key Points: Description: Single Clip-on Open End We can offer you an extensive premium range of hand held tools that will help with your general maintenance and are best to be included any tool collection. Clip-On Connector for Tyre Inflators | SA361 Our wide range of tools include hand tools, power tools and many more specialist tools.