# B 521

**Manufacturer:** Prime Line  
**MPN:** `B 521`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Prime Line |
| Manufacturer name | Prime Line |
| Manufacturer | Prime Line, Prime-Line Products |
| UPC | 49793005212 |
| EAN | 49793005212 |
| Part Number | B 521 |
| Model | B 521 |
| Product Group | Home Improvement |
| ASIN | B000FKBQ8U |
| AdultProduct | False |
| Amount | 18.17, 2.69, 2.87, 9.99 |
| Asin | B000FKBQ8U |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | PRIME-LINE, Prime-Line, Prime-Line Products |
| Bullet_point | 1 inch diameter concave plastic roller, 2-1/2 inch straight tension spring, Easy to install, Heat treated spring and high density polyethylene roller, Used by Columbia doors and a variety of sliding s |
| Case | 2 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 468240, 511228, 511276 |
| ClassificationId | 511294 |
| Color | Mill |
| Currency | USD |
| CurrencyCode | USD |
| Customer_package_type | Standard Packaging |
| DisplayName | Screen Door Hardware |
| EANList | 49793005212 |
| Feature | Wheel with center groove 1in. O.D |
| Finish_type | Mill |
| Height | 0.4724409444, 0.599999999388, 1, 1.0, 1000, 13.7, 360, 500, 54, 720, 75 |
| Identifier | 00049793005212, 0049793005212, 0301652312993, 049793005212, 301652312993 |
| IdentifierType | EAN, GTIN, UPC |
| Included_components | Plumbing Fixtures;Kitchen Faucets and Accessories;faucet-seats-and-springs-sets |
| IsAutographed | 0, false |
| IsBrandQuery | True |
| IsMemorabilia | 0, false |
| ItemClassification | BASE_PRODUCT |
| ItemName | Prime-Line B 521 1 In. Plastic Roller, Screen Door Tension Springs (2 Pack) |
| Item_name | Prime-Line B 521 1 In. Plastic Roller, Screen Door Tension Springs (2 Pack) |
| Item_package_quantity | 1 |
| Item_package_weight | 0.01 |
| Item_type_keyword | screen-door-hardware |
| Item_type_name | Prime Line Concave Edge Spring Tension Roller Assembly, 1 In Dia X 1/4 In W, 2 Roller, Plastic |
| Item_weight | 0.02 |
| Keyword | 100138195 |
| Label | Prime-Line Products |
| Length | 0.25, 1.2, 5.3937007819, 6.199999993676000393700787 |
| Link | https://m.media-amazon.com/images/I/31Q9HIAiTwL._SL75_.jpg, https://m.media-amazon.com/images/I/31Q9HIAiTwL.jpg, https://m.media-amazon.com/images/I/41jahIvy+oL._SL75_.jpg, https://m.media-amazon.com/ |
| List_price | 9.99 |
| MPN | B 521 |
| Man | Prime-Line Products |
| Marking_type | epa_registration_number |
| Material | Plastic |
| MaterialType | Plastic |
| Memorabilia | False |
| ModelNumber | B 521 |
| Model_name | B 521 |
| Model_number | B 521 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Home Depot | 100138195 | 3.17 | 1 | None | 1 |
| Do It Best | 235997 |  |  | None | 1 |
| Life and Home | 41650862 | 7.0 | 1 | None | 1 |
| Zoro | G6560263 | 3.62 | 1 | None | 3 |
| simsupply.com | 235997 | 8.44 | 1 | 62 | 1 |
| Toolbox Supply | 12115212 | 7.12 | 1 | None | 1 |
| supremediy.com | VORG7430150 | 2.38 | 1 | 240 | 1 |
| simsupply.com | 235997 BUNDLE 6 | 21.43 | 1 | 10 | 1 |
| Grainger | 485T62 |  |  | None | 1 |
| shelllumber.com | VORG7430150 | 2.38 | 1 | 240 | 1 |
| storeseven.com | B 521 | 2.49 | 1 | 612 | 1 |
| Zoro | G908324717 | 4.99 | 1 | None | 2 |
| Zoro | G508324773 | 19.14 | 1 | None | 1 |
| Zoro | G506992950 | 7.05 | 1 | None | 1 |
| primesalesupply.com | GO7430150 |  |  | None | 1 |
| zaynesolutions.com | 7430150 | 3.56 | 1 | None | 1 |
| parisfarmersunion.com | 7430150 | 3.99 | 1 | None | 1 |
| pioneergeneralstore.com | 7430150 | 3.18 | 1 | None | 1 |
| Ace Hardware | 53649 | 5.99 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/187000000/187282000/part_--B521---PrimeLine--11f61a94ae.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp