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⚙️ Elevate your repairs with strength and style — don’t get caught without the SP 9618!
The Prime-Line SP 9618 Extension Spring is a high-quality, nickel-plated spring steel component designed for durability and versatility. Measuring 5/8 inch in diameter and 3-1/4 inches in length, it supports up to 19.1 pounds with a 2.1-inch deflection, making it ideal for a wide range of household, automotive, and professional applications. Its corrosion-resistant finish ensures longevity indoors and out, backed by a 1-year warranty against manufacturing defects.



























| ASIN | B008RG9E0Q |
| Best Sellers Rank | #161,886 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #87 in Garage Door Springs & Wires |
| Brand | PRIME-LINE |
| Color | Nickel |
| Compatible Groove Diameter | 0.63 inches |
| Customer Reviews | 4.4 4.4 out of 5 stars (287) |
| Fastener Type | Extension Spring, Single Loop Open |
| Finish Types | Nickel |
| Global Trade Identification Number | 00049793096180 |
| Included Components | Extension Spring |
| Item Diameter | 0.63 inches |
| Item Dimensions | 0.63 x 0.63 x 3.25 inches |
| Item Type Name | Extension Spring |
| Item Weight | 1.6 ounces |
| Manufacturer | Prime-Line Products |
| Material Type | Steel |
| Maximum Shear Strength | 25000 psi |
| Model | SP 9618 |
| Number Of Items | 1 |
| Number of Pieces | 2 |
| Outside Diameter | 0.63 inches |
| Part Number | SP 9618 |
| Pin Type | Spring |
| Screw Head Style | Open |
| Size Name | 5/8 in. x 3-1/4 in. |
| UPC | 049793096180 |
| Unit Count | 1 Count |
| Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
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