McKissick Crane and Construction Blocks are
manufactured in the USA at their API Q1
certified factory. Crane blocks can be custom
made to meet every demand. Repair parts are
available for all block models, and roll forged sheaves
are used as standard in all crane blocks.

For Offshore Cranes – The 380 Series

This crane block series is an industry standard
and equips some of the largest derrick barges in the world.
It comes in one to eight sheave configurations, with more
designs available upon request.

• Tapered Roller Bearings (other types can be used but
  TRB is recommended for offshore use);
• Dual action hooks (swings and rotates);
• Anti-rotation locking device (75t and larger);
• Plate steel cheek weights;
• Single, Duplex and Quad hooks are available.

For Mobile Cranes – The M780 Series

For mobile cranes the M780 series Metric Crane Block has been designed with a maximum WLL of 75t.

• Size of wire line ranges from 12mm-29mm;
• Sheaves can be grooved for metric or imperial dimensions (or both);
• Dual action  hooks (swings and rotates);
• Available with 1, 2 or 3 sheaves;
• Supplied with sealer roller bearings.