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. The handles on these connectors are black in colour.
eBay
Portable Bike Pump 160PSI High Pressure With Gauge MTB Road Bicycle Hand Tire Air Inflator For AV FV Presta Schrader Valve
Aliexpress UK
Well-engineered with clean smooth surface. Toolwiz air inflator Heavy-duty brass construction allows for strength, durability, resistance to corrosion and easy to clean. 1/4" ID Hose Barb end makes it the perfect choice for hose repairs.
eBay
1/2pcs Double-head Adapter for Pump Nozzle of Bicycle Tire Pump with Inflator Bike Pump Bicycle Accessories
Aliexpress UK
Expert Quality, new and improved MK4 airline inflator. Fitted with a twin open ended connectors, 20% larger viewing window, stronger yet lighter body and increased accuracy. AL-KO Garage Bike Loading System Sawiko.
eBay
Portable Mini Bike Pump Schrader Presta Valve MTB Road Bicycle Tire Inflator Hand Air Ball Needle Hose Pump Cycling Accessories
Aliexpress UK
Airline Tyre Inflator Twin Closed End. 1 x Airline Tyre Inflator connector. These Twin Hold-on Connectors are suitable for inflation of twin Tyres. A Closed End connector is used when air is supplied directly from a main air line.
eBay
MTB Bicycle Pump Bike Manual Air Pump Balloon Basketball Football Tire Inflator Schrader Valve Floor Pump Cycling Accesories
Aliexpress UK
SENZEAL is the only one sold SENZEAL products. Press down clip, push and twist the air valve chuck into the valve stem until it is tight. Release the clip when your tyre is well. Ensure the air flows freely through the chuck into tyre.
eBay
ABVE-MINI Fast Rechargeable 120 PSI Portable Pocket Bike Electric Air Pump Compressor Tire Inflator For Bicycle Digital
Aliexpress UK
1/4" Brass Tire inflator Locking on Air Chuck Air Compressor Pump Adapter with 8mm Barb Connector Accessories for Car. Tire inflator tire chuck mada of high quality material. Anti-corrosion, wear resistance, good performance and high stability.
eBay
Mini Bicycle Pump Rechargeable Portable Air Inflator 100PSI 5V Type-C Bike Accessories for Bike Schrader Presta Tires.
Aliexpress UK
Well-engineered with clean smooth surface. Toolwiz air chuck main body is made of solid brass which makes it long lasting and resistance to corrosion. Toolwiz air inflator Heavy-duty brass construction allows for strength, durability, resistance to corrosion and easy to clean.
eBay
Tire Inflator Nozzle Bike Pump Nozzle Multi-use Connector for Head Bike Pump Head Pump Adapter Bicycle Converter Bike Adapter
Aliexpress UK
Expert Quality, new and improved MK4 airline inflator. Fitted with a twin open ended connectors, 20% larger viewing window, stronger yet lighter body and increased accuracy. Improved MK4 version airline inflator.
eBay
UK Bicycle Floor Pump 160PSI Bike Air Pump with Gauge Presta & Schrader Valves Tire Tube Inflator with Multifunction Ball Needle
Aliexpress UK