Brand Name: Prime-Line
*Width: 7/16 in.
*Length: 4.375 in.
*Diameter: 1-3/4 in.
*Material: Steel
*Product Type: Garage Door Roller
*Application: Garage Door Roller Replacement
*Color: Silver
*Packaging Type: Carded
*Number in Package: 1 pk
*Steel Ball Bearing Rollers
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* Heavy Duty
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* Roller Edge Type: Convex
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* Axle Diameter: 7/16"
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* Axle Length: 4-1/8"