1. Function: Soft up opening the door.
2. Material: cold-rolled steel, steel pipe, Nitrogen.
3. Propping force: 20N-300N.
4. The whole length: 270mm.
5 Width between centers: 247mm.
6 Opening angel: 80°90°110°,it is determined by the position of fixing brackets.
7 Fixing bracket: wooden or frame door can be chosen.
8 Colour: Silver.
9. Design Patent No. ZL200330101765.7.
10. Advantages: Made in no-dust room, soft down openning, 20N~300N, guaranteed to open and close 50,000 times, different types, high quality.