This Opti-Seal Step-Down Butt Connector for 12-10 to 8 gauge wires has a central window to ensure wires are fully seated and crimped correctly with its color-coded stripes for wire gauge size and crimp positioning. The seamless barrel design guarantees great crimp performance, and the Wire-stop feature prevents over inserting. The connector's crystal clear tubing makes for easy visual inspection, while the adhesive lined tubing ensures a waterproof seal.
| Wire Gauge | 12-10 to 8 |
| Type | Window with Wire Stop |
| Seam | Seamless |
| Color Stripe | Yellow/Red |
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