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Quantity
1
Description
Description
Single Model 400XL puck padlock with hidden shackle (2 keys included)
Machined from a solid bar of Aircraft Grade 6061 Aluminum and fitted with a 7 pin pick resistant tubular cylinder.This version puck lock has a step back. Thi...
Reviews
4.8
1K ratings
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Just perfect puck locks
I have three cargo trailers with valuable equipment in them. Have used master hasp locks for years, and then saw these PROVEN INDUSTRIES PUCK LOCKS! Fit the latches perfectly and provide a sense of security. They are rather costly at $52/each, but well worth it.
C
Cincinnati · 8 days ago
Proven 400XL locks
I purchased these for my 2014 Roadhouse small toy hauler ramp. I cut some small rubber spacers to tighten them up and prevent rattling. These are way nicer and more stout than typical padlocks.
G
Gerald · June 26, 2026
So far so good
I have only started using the 400XL Proven locks a week ago. It is nice having all the locks keyed alike. Making access to the trailer more convenient. Shipment arrived promptly and well packaged. The color match is as if they were made custom for my trailer. I am happy with Proven locks so far and plan to order another three for a second trailer that I have. Although my daughter wanted the sticker. Unfortunately, one is not provided, "maybe they include those with the second order". I explained . . . that her 4x4 machine is secure behind the new Proven locks.
