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Prime-Line B 513 Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel, Gray
Consists of 1/4 in W center groove wheel. Heat-treated, high-tension adjustable steel M-spring. Used by several patio door manufacturers.
| Bearing Type | Ball |
| Spring Type | M |
| Roller Edge Type | Concave |
| Roller Width | 1/4 in |
| Roller Diameter | 1 in |
| Material | Steel |
| Color | Gray |
| Finish | Unfinished |
| Suitable For | Sliding Screen Glass Doors |
| Includes | (2) #8 x 1 in Phillips Pan Head Sheet Metal Screws |