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Product center

Spring box

Item:III-3

Outer diameter:200mm
Inner diameter:62mm
Thickness:0.8mm

1.Spring box for roller shutter door operator or garage door operator or roller sping.

2.Material:high quantity of color steel sheet plate and roller iron ball inside.

3.Packing:by weaving bag or carton.

4.Feature: disassemble or assemble


The size could be designed according to customers' request.