Interlock Chock™

Blue Giant Interlock Chock™ is an intelligent wheel chock system that provides communication between loading dock personnel and trailer operators. Designed with a patent pending signalling system, the chock handle contains high visibility LED lights and an integrated alarm, communicating to the operator that the Interlock Chock is engaged
and secure.


  • Robust aluminum chock is high strength and securely contours trailer wheel in all weather conditions.
  • Stainless steel sawtooth plate firmly grips driveway, preventing movement of chock under wheel engagement. Non-skid plate rotates for product longevity.
  • Submersible chock assembly works in all weather conditions.
  • Ultrasonic sensor detects chock placement and communicates to the control panel.
  • Fibreglass cable pole keeps cable off traffic path, preventing damage and allows clearance for easy snow removal.
  • Durable steel cradle designed with an open concept and installed above grade; will not trap snow and debris.
  • Proximity sensor detects home position when chock is in cradle.
  • PowderCoat safety yellow is an effective rust proof solution that prolongs the equipment’s life.

* Interlock Chock includes wheel chock assembly, dock lip sensor, door sensors, Blue Genius touch control, exterior traffic light and sign.