MonsterBolts Monster Bolts Fasteners
This listing is for new NSPA Crystal Clear 12-10 AWG (Yellow) Opti-Seal Crimp Butt Connectors.  These are heat shrink Sealed Electrical System (SES) Seamless butt connectors and are RoHS compliant.  Made in the USA.  There simply is no better product made.
 
"Do It Once. Do It Right."
 
Color : Crystal Clear with Yellow crimp stripe
Wire Size : 12-10 AWG
Part # : OS55-10
Product Name : Opti-Seal, Sealed Crystal Clear Crimp Connector
Type : Window with Wire Stop, Crimp and Seal with Adhesive-Lined Heat Shrink Tubing
Seam Type : Seamless

INSTRUCTIONS:

1. Strip both wires, wire length 5/16" (8mm)

2. Insert wire into barrel 

3. Crimp wire to barrel 

4. Heat tubing 

For best results: Use heat device of at least 1000°F/538°C. Don’t overheat tubing. Don’t isolate flame. Distribute heat evenly over tubing.

 

NOTE : Photo Below shows both Butt Connectors and Ring Terminals.  Both available and sold here.  This listing is for Butt Connectors only.  Crimping tool and Heat Source to reduce tubing and seal connector needed.  Butane Torch and Ratcheting Crimp tool recommended.  Questions, Please ask.


 
 OptiSeal OS55-16 OS55-14 OS55-10 Sealed Crimp Connector SES NSPA OptiSeal benefits Crystal Clear Sealed Butt Connector

 NSPA Opti-Seal SES instructions Butt Connector