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DDIN Helicopter Blocks

DDIN Helicopter Blocks are ideal for stringing multiple sizes of single overhead conductors where the pilot line will be flown in.  A unique feature of these blocks is the exclusive “Snap Lock” fold-away helicopter arm, which eliminates the need for removing pins to deploy or retract the fly arm.  

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DDIN Helicopter Blocks

  • Smooth and consistent operation
  • “Snap Lock” fold away helicopter arm
  • Spring-loaded side gate
  • Constructed of aluminum alloy, lightweight and durable
  • Anti-Friction Bearings packed with synthetic aviation grease

Additional information

Weight N/A
Dimensions N/A
Sheave Size

16", 22", 28"

Block Type




Job Type


Sheave Type

Urethane Lined

Sheave Width



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