This roller assembly with M-shaped tension spring with a 1 in. nylon ball bearing roller is used by a variety of patio door manufacturers. The heat treated tension spring is 2-5/16 in. long and shaped like an M, giving it the tension needed by the screen door to slide properly.
| SKU | 5200480 | UPC | 049793006400 |
| Weight | 0.095 | Package Width | 3.75 |
| Package Length | 0.65 | Package Height | 7.3 |
| Model Number | B 640 | Brand | Prime Line |
| Manufacturer Name | PRIME-LINE PRODUCTS/SLIDE-CO |