


This roller assembly with M-shaped tension spring with a 1 in. steel 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. Easy to install.
| SKU | 657478 | UPC | 049793005120 |
| Weight | 0.08 lbs | Package Width | 3.7 in |
| Package Length | 0.45 in | Package Height | 7.35 in |
| Model Number | B 512 | Brand | Prime Line |
| Manufacturer Name | PRIME LINE PRODUCTS |