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A MAS brand
Aldon semi tractor trailer wheel chocks

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Aldon equipment

RWC Rubber Block

Model / part 4012-05

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

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Product details

The RWC block is made from pure rubber without fillers for locations that require a non-sparking chocking material. The rear grip includes a hole for attaching a chain.

Features and application limits

  • For tires 30–42 in. in diameter.
  • Product weight: 12 lb.
  • Use on concrete or asphalt; do not use on slopes.
  • Chock both sides of the vehicle on level asphalt or concrete; do not use on slopes.

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

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