1 it is made of pp and steel 2 it is usd by cartridge and static mixer 3 it is convernient use

 teflon  needles for glue /adhesive

.High presicion stainless steel tips,with 1/4" ,1/2" & 1" long

2.Burr-free & precisely polished both inside and outside

3.Precision stainless steel dispensing needle tips are internally machined for guaranteed smooth flow liquid

dispensingprecision, high running

4.High corrosion resistance, heavy load resistance, most suitable for high speed, high precision, high running

5.Copper hubs

teflon needles