• Cast Nylon sheaves with sealed ball bearings.
• Coated steel frame.
• Solid alloy steel shaft.
• Crosshead and type ‘B’ socket for suspension.
• Rope guards prevent ropes from jamming between sheaves and side frames.


• Conductor grounding attachments.
• Pulling rope hold down attachment.
• Helicopter pilot rope attachment.
• Hanger arm suspension.
• Sling suspension.
• Conversion Kits to single sheave blocks.

3730-3NY Bundle Helicopter Stringing Blocks