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Rolling Door Parts
- Separate Spring Box
Item: Detachable Spring Box
Material: steel plate
Process: stamping
Surface: electric galvanized
OD(mm)
ID(mm)
200
50
200
60
220
50
220
60
240
76
Similar Item: Spring Box
Spring Box with screw
Ball Choose:
Nylon Ball/ Iron Ball/ Single Bearing/ Double Bearing
Package: 10pcs/bag or 15pcs/bag
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