1 it can used for conect with syringe barrel and dispenser 2 it made of pp and plastic 3 it convernient use  10 CC tube  adapter (japan style) 

1 it is made of plastic and pe

2it is used for ab glue cartridge and glue machine

3 convernient use

it can use with glue gun or glure machin

10cc tube adapter (japan style)