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 in steel ball bearing roller with a heat-treated steel tension spring that is V shaped. The 2 in L V shaped flat spring inserts into the screen frame giving tension required as the door slides back and forth.
| Id | 214070 |
| SKU | 9409541 |
| PartNo | B 571 |
| UPC | 049793005717 |
| Roller Type | Concave |
| Roller Material | Steel |
| Roller Diameter | 1 In |
| Roller Width | 1/4 In |
| Material | Steel |
| Length | 2 In |
| Width | 5/16 In |
| Suitable For | Several Patio Screen Doors |
| CID | 9 |