We are the industry leader of vehicle securement and protection.

The Chock Evolution

Auto manufacturers demanded a better solution for vehicle transportation and our engineers rose to the challenge. That innovation continues today.
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Gravity-Outlet Gates

Our high performance gate seal is ideal for difficult commodities including cement, potash and common grain products.
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Proven Quality

Our strong committment to industry leadership, innovation and safety is proven every day.
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The Grip-Lock Chock System.
Skillfully Designed to Benefit Everyone.

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Shippers appreciate the Grip-Lock Chock system’s load-sharing protection and securement and the built-in variable fuse that protects vehicles from hidden damage. For Railroad Damage Prevention Departments, the Grip-Lock Chock system is the best in securement with fewer chock jumps, equaling less damage. Railroad and Auto Terminal Operations confirm it is the easiest and fastest system to install and remove. And for Railroad Mechanical Departments, data indicates that Grip-Lock is the most durable of all the systems in the market. Read the complete story on this revolutionary system.

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Railcar Applications

Standard flat-deck applications comprised of 2 decks worth of standard Holden OEM grating panels and grating hinges, deck rivets, 96 sets of Holden Grip-Lock chocks with standard Holden storage pans.
Low-level A-Deck panels, sized to suit various ramp transition-angle configurations, together with standard Holden OEM grating panels for B-Deck. Includes Holden OEM grating hinges, deck rivets and 96 sets of Holden Grip-Lock chocks with standard Holden storage pans.
Low-level A-Deck panels sized to suit various ramp transition-angle configurations, together with standard Holden OEM grating panels for C-Deck, and customized B-Deck panel configurations for hinge-deck applications. Includes Holden OEM grating hinges, deck rivets and 96 sets of Holden Grip-Lock chocks with standard Holden storage pans.
Tri-Level Chock under development. Please check back later.

Choose Holden

Our experienced team of designers and engineers are driven by a committment to safety and quality. Everything from IP and concept design all the way through analysis is developed and managed in house.
The Grip-Lock Chock System has been proven to be the best performing securement system in the industry. Ranked #1 by RailInc/TTCI who conducted a study on behalf of the VEQ, it protects vehicles even at increased impact speeds.
Our product development program includes extensive durability, impact, life cycle and over the road testing to ensure the vigor of the product. Secure transport in all operating conditions is the ultimate goal.
We provide a wide range of customer service and support including engineering, training, troubleshooting and aftermarket maintenance.
We’ve been manufacturing our Gravity-Outlet gates for over 20 years. The seal design is ideal for difficult commodities such as cement and potash, in addition to the more common grain products shipped in hopper cars. It is tested and proven to be the tightest and most reliable seal on the market.