This is a tension spring roller assembly with a V shaped spring design is used by several patio door manufacturers. The roller is a 1 inch steel ball bearing roller with a heat treated steel tension spring that is V shaped. The 2 inch long V shaped flat spring inserts into the screen frame giving tension required as the door slides back and forth.
| SKU | 202186 | UPC | 049793005717 |
| Weight | 1 | Package Width | 3.81 |
| Package Length | 0.63 | Package Height | 6.44 |
| Model Number | B 571 | Brand | Prime Line |