rolling door spring box,spring box for roll up door
1.thickness:1.2mm,durable
2.weight:1.28kgs
3.screws and balls can be selected
1.thickness:1.2mm,durable
2.weight:1.28kgs
3.screws and balls can be selected
4.material:galvanized strips
5.size:1.2mm*240mm*62/78mm
6.Packing: whole-20pcs/ctn size:48cm*48cm*65cm=0.15CBM
Bulk-20pcs/ctn size:42cm*42cm*36cm=0.064CBM