Inquiry:
1 Galvanized,2.0mm
2 It is adjustable,you can adjust rollers and let them run along with the tracks properly always.
3 The nylon sleeves make the door more silent
4 It is used to finger-safe panels only
5 The hole on the axis is for filling oil, let the door run smoothly silently.
Contact: Aron Song
Phone: +86 13373587836
Tel: +86 13373587836
Email: info@lifterdoor.com
Add: No.2308,Chaoyang road,Xuchang city, Henan province,China
aroneglobe
+86 13270175391