The Truck and Trailer Pin Master Cleaner Set is a complete solution for cleaning and restoring all common North American trailer connectors. Featuring a patented design, this set includes specialized tools to clean both male and female pins on 4/5 flat, 6-way round, 7-way spade (flat), and 7-way round terminals—plus bullet and butt connectors used in marker and tail light assemblies. 

Precision cleaning maintains proper pin dimensions, improves signal continuity, and extends harness life. Packaged in a leather-style holster with a magnetic clasp, the set also includes custom-sized swabs for internal debris removal. Perfect for preventive maintenance and field repair.

Features and Benefits:

• Patented tools clean and resize both male and female pins
• Maintains signal continuity and prevents circuit failures
• Includes swabs for debris removal in butt, bullet, and pin connectors
• Comes in a rugged leather-style holster with magnetic clasp
• Cleans 4/5 flat, 6-way round, and 7-way flat/round trailer connectors

Includes:

• 4/5 Pin Terminal Cleaner (#8021) • 6-Way Round Pin Terminal Cleaner (#8022) • 7-Way Flat (Spade) Pin Terminal Cleaners (#8023) • 7-Way Round Pin Terminal Cleaners (#8024) • SWAB-EEZ® (8mm – #30025-1, 6.5mm – #9023, 5mm – #9011) • Quality Leather Holster (#POU02)

WARNING: This product can expose you to chemicals including Ethylene Oxide, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.