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Rail yard safety equipment | Bulk quotes | Product selection help | A MAS brand

A MAS brand

Equipment catalog

Truck and trailer wheel chocks

Wheel blocks for loading docks and industrial yards, including rubber, aluminum, ductile-iron and handle-equipped models.

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10 products · Compare models and add items to your quote.

4012-05

RWC Rubber Block

The RWC block is made from pure rubber without fillers for locations that require a non-sparking chocking material.

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Get the right configuration

Include the model numbers and quantities you need. If you are replacing equipment, the existing markings and rail details help us check the options before preparing your quote.

One coordinated industrial network

Operated and supported by Modular Access Systems LLC.

Canonical product and procurement source for broad rail-yard safety equipment.

About the Modular Access Systems network

Product selection & quotes

Tell us what your yard needs.

Send a model number, an equipment list or a short description of the job. We will help you work through the options.

  • Chocks, derails, skates and rerailers
  • Replacement parts and accessories
  • Single-location and multi-site requests

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Explore the MAS brands

Specialist products. One Modular Access Systems family.