# Century Spring C-303 12" Extension Springs: Extension spring Generally close wound helical with ends formed to permit their use in applications requiring resistance to pulling force 1" outside diameter 12" length 0.105" wire diameter 11.7" maximum deflection Garage door opener springs have a 35.4 lb maximum safe load

**Manufacturer:** Realever Enterprise Limited  
**MPN:** `C-303`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Realever Enterprise Limited |
| Manufacturer name | Realever Enterprise Limited |
| Manufacturer | Realever Enterprise Limited |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Walmart | 19865352 | 6.32 | 1 | None | 1 |

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