Product name
rolling shutters
Spring bearing
Iron ball, Nylon ball
Material thickness
0.8*1.0*1.2 / 1.0*1.2*1.5mm
Exterior Diameter
200MM, 210MM, 220MM and 240MM
Inner Diameter
43.5MM, 49.5MM, 50.5MM, 61.5MM and 78MM
Package
10 pieces per carton
Sample
offer sample to test