Features:

1) Nitrogen filled inside 

2) Material:  Zinc alloy + Iron + Plastic

3) Color: silver, black, or other options

4) No noise, smooth operation

5) Easy installation

6) Competitive price, high-quality, fast delivery, good service

 

Packing:

1) As standard, 1piece in a plastic bag, then 50pcs in an export carton

2) Carton size: 350*20*20mm

3) Lebal design also can be according to customer's request.