Three-ball bearing stainless steel lock head provides superior strength and security
Reversible key allows easy insertion and compatibility with all DuraSafe products
Prevents theft and tampering by vandals when tongue is swung open
Hairpin cotter pin included to securely hold the lock pin in place
Dust and moisture-sealing O-ring inside lock head protects against environmental damage
Summarized by Shop
Most boat owners prefer a lock in their swing tongue versus the pin that comes from the factory. Now that you can get the DuraSafe Stainless-Steel Swing Tongue Lock keyed to our Receiver and Coupler Locks, convenience has never been easier. Using these three DuraSafe locks together keeps your trailer safe and secure using one key
The Du
Material
Stainless steel
Lock Head Diameter
1/2 inch
Usable Length
6 inches
Overall Length
9.5 inches
Key Type
Reversible, keyed alike
Package Weight
1.3 oz
Summarized by Shop
4.7
35 ratings
5
4
3
2
1
Durasafe locks look high quality and makes getting keyed alike locks easy.
Andrew · August 9, 2026
A Piece of MIND
Its Great to know that I can Protect my trailer when not in a secure area!
V
Vernon · June 9, 2026
Safe and Secure
Installation was very easy, and I immediately felt my trailer was secure. Shipping was fast, and customer service was excellent throughout the process. Having the same key for additional locks is a huge bonus. Highly satisfied with this swing‑away trailer tongue lock.