NSPA OptiSeal Waterproof Crimp Step Down Butt Connectors, Red/Blue, 22-18 to 16-14 AWG

Monster Overview:

Create professional-grade wire splices between dissimilar gauges with SES Opti-Seal™ Step-Down Connectors. These clear 22–18 AWG to 16–14 AWG connectors feature internal wire stops, strip markers for quick gauge ID, and full-length adhesive-lined heat shrink tubing for environmental sealing.

Built for marine, automotive, and high-vibration applications, these connectors are seamless, RoHS compliant, and made in the USA. The clear body allows easy visual confirmation of crimp integrity and shrink coverage.

Monster Features:

• Brand: SES Opti-Seal™
• Connector Type: Step-Down Crimp and Seal Butt Connector
• Seal Type: Crimp & Seal with adhesive-lined heat shrink tubing
• Made in: USA
• Visual Inspection: Clear tubing for accurate positioning and post-install checks
• Design: Internal wire stop and Red/Blue gauge strip markers
• Tubing: 3:1 shrink ratio polyolefin with adhesive lining
• Waterproof Rating: IP67 when properly installed*
• Compliance: RoHS compliant

Monster Specifications:

• Color Code: Clear with Red / Blue strip marker
• Wire Size Compatibility: 22–18 AWG to 16–14 AWG
• Part #: OS56-16
• Seam Type: Seamless barrel with internal stop and inspection window
• Material: Tinned copper barrel + adhesive-lined polyolefin tubing

Installation Instructions:

1. Strip both wires to 5/16" (8 mm)
2. Insert wires fully into each side until they meet at the center stop
3. Crimp securely using a ratcheting crimp tool
4. Apply heat evenly to shrink tubing and activate adhesive

For best results: Use a heat tool rated at 1000 °F (538 °C). Avoid flame isolation—rotate and heat evenly for a clean seal.

Order Yours Today from Monster Bolts!

Whether in a harsh environment or a demanding repair, Opti-Seal step-down connectors give you dependable results and quick installs—backed by Monster Bolts' trusted shipping and support.