same day shipping on all orders placed before 2p EST!!

same day shipping on all orders placed before 2p EST!!

#1 Selling

High Security Trailer Lock!

8274 Reviews

"Fit perfectly!! This is the second lock I've purchased from Proven Locks and I'm very happy with the construction and functionality. Having all the same keys is nice too."

- Edward P.

Shop Now

Made in the USA

We domestically manufacture our lock bodies in the USA.

Lifetime Warranty

We know we manufacture a great product and stand behind it!

Same Day Shipping

If your order is placed before 2PM EST we will ship it that day!

One Key for All Locks

Choose Keyed Alike and all locks in your cart will use the same key.

Best trailer locks from proven industries

Engineered from high-strength, tamper-resistant materials, our coupler locks provide unmatched trailer security.

Trailer Coupler Locks

Trailer Coupler Locks

Glove-Like Fit Locks

Trailer Door Locks

Trailer Door Locks

Aircraft Grade Aluminum

Wheel Locks

Wheel Locks

Additional Security

MADE IN THE USA

ONE KEY FOR ALL LOCKS

LIFETIME WARRANTY

SAME DAY SHIPPING

MADE IN THE USA

We domestically manufacture our lock bodies in the USA

LIFETIME WARRANTY

We know we manufacture a great product and stand behind it!*

SAME DAY SHIPPING

If your order is placed before 2pm EST we will ship it that day!*

ONE KEY FOR ALL LOCKS

Ordering more than one lock? Great - just choose the Keyed Alike option before adding to the shopping cart and we will key every lock in the shopping cart the same!*

MADE IN THE USA

We domestically manufacture our lock bodies in the USA

LIFETIME WARRANTY

We know we manufacture a great product and stand behind it!*

SAME DAY SHIPPING

If your order is placed before 2pm EST we will ship it that day!*

ONE KEY FOR ALL LOCKS

Ordering more than one lock? Great - just choose the Keyed Alike option before adding to the shopping cart and we will key every lock in the shopping cart the same!*

Proven Industries

MADE IN THE USA

We domestically manufacture our lock bodies in the USA

LIFETIME WARRANTY

We know we manufacture a great product and stand behind it!*

SAME DAY SHIPPING

If your order is placed before 2pm EST we will ship it that day!*

ONE KEY FOR ALL LOCKS

Ordering more than one lock? Great - just choose the Keyed Alike option before adding to the shopping cart and we will key every lock in the shopping cart the same!*

A BASIC LOCK WON’T CUT IT!

SEE HOW EASY THE MAINSTREAM LOCKS COME RIGHT OFF!

Click here to see more of our demo videos!

DEMO VIDEOS More Demo Videos >

FEATURED PRODUCTS

All Products > All Products >

2516-GP 2 5/16'' Trailer Coupler Locks Proven Locks

2516-GP 2 5/16'' Trailer Coupler Locks

$345.00

5th Wheel Lock Model PL-5 other locks Proven Industries

5th Wheel Lock Model PL-5

5th Wheel Lock Model PL-5 other locks

$225.00

Adjustable Coupler Bolt Lock Model AC-100 2 5/16'' Trailer Coupler Locks Proven Industries Blue (Billet 6061 Aluminum) Keyed Differently No

Adjustable Coupler Bolt Lock Model AC-100

Adjustable Coupler Bolt Lock Model AC-100 2 5/16'' Trailer Coupler Locks

$150.00

Cargo Door Lock other locks Proven Industries

Cargo Door Lock

Cargo Door Lock other locks

$163.99

Dual Propane Tank Lock other locks Proven Industries Keyed Differently Blue (Billet 6061 Aluminum)

Dual Propane Tank Lock

Dual Propane Tank Lock other locks

$200.00

Extra Keys-Includes a set of 2 keys 2 5/16'' Trailer Coupler Locks Proven Industries

Extra Keys-Includes a set of 2 keys

Extra Keys-Includes a set of 2 keys other locks

$25.00

GP-MAX 2 5/16'' Trailer Coupler Locks Proven Locks

GP-MAX 2 5/16'' Trailer Coupler Locks

$599.00

Hasp Kit (corner mount) Puck Locks Proven Industries Blue (Billet 6061 Aluminum) Keyed Differently

Hasp Kit (corner mount)

Hasp Kit (corner mount) Puck Locks

$75.00

2516-GP 2 5/16'' Trailer Coupler Locks Proven Locks

2516-GP 2 5/16'' Trailer Coupler Locks

$345.00

5th Wheel Lock Model PL-5 other locks Proven Industries

5th Wheel Lock Model PL-5

5th Wheel Lock Model PL-5 other locks

$225.00

Adjustable Coupler Bolt Lock Model AC-100 2 5/16'' Trailer Coupler Locks Proven Industries Blue (Billet 6061 Aluminum) Keyed Differently No

Adjustable Coupler Bolt Lock Model AC-100

Adjustable Coupler Bolt Lock Model AC-100 2 5/16'' Trailer Coupler Locks

$150.00

Cargo Door Lock other locks Proven Industries

Cargo Door Lock

Cargo Door Lock other locks

$163.99

Dual Propane Tank Lock other locks Proven Industries Keyed Differently Blue (Billet 6061 Aluminum)

Dual Propane Tank Lock

Dual Propane Tank Lock other locks

$200.00

Extra Keys-Includes a set of 2 keys 2 5/16'' Trailer Coupler Locks Proven Industries

Extra Keys-Includes a set of 2 keys

Extra Keys-Includes a set of 2 keys other locks

$25.00

GP-MAX 2 5/16'' Trailer Coupler Locks Proven Locks

GP-MAX 2 5/16'' Trailer Coupler Locks

$599.00

Hasp Kit (corner mount) Puck Locks Proven Industries Blue (Billet 6061 Aluminum) Keyed Differently

Hasp Kit (corner mount)

Hasp Kit (corner mount) Puck Locks

$75.00

2516-GP 2 5/16'' Trailer Coupler Locks

$345.00
5th Wheel Lock Model PL-5 other locks

$225.00
Adjustable Coupler Bolt Lock Model AC-100 2 5/16'' Trailer Coupler Locks

$150.00
Cargo Door Lock other locks

$163.99
Dual Propane Tank Lock other locks

$200.00
Extra Keys-Includes a set of 2 keys other locks

$25.00

Want to see more of what Proven Industries has to offer?
Click here to see our full catalogue!

ALL PRODUCTS