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.

Features:

• A wider version of the Standard Helicopter Stringing Block
• “V-Groove” urethane lined wide-throat sheave
• Designed to improve the installation of T2^® and VR2^® conductors
• 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