These Soft Plastic Injectors are a great tool. Super Smooth action. 

Please note: This injector does not use a locking pin to hold the nozzle on. Additional care and awareness should be used when using it. 

Outer Diameter 'nozzle' : 16mm

Tips :

1. Fill the Injector by sucking up the heated Plastisol from a Cup.

2. Use Gloves. The Plastisol and the Injector can get hot.