3" Nylon Stainless Steel Shaft
The shaft of roller material is stainless steel
The rollers for the garage doors, other door and window
2"black and white nylon rollers with differnt lenght of shaft
2" and 3" steel rollers with diffrent lenght of shaft
rollers pack in cartons, and cartons pack into pallets.
also we can pack as customers request.
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the best garage door supplier in China