57mm Heavy Load Black Magic Block Dbl w/Bkt

The entire line of Black Magic AirBlocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. These strong, lightweight blocks feature free-rolling high-load Torlon; roller bearings for a high strength-to-weight ratio. Like all AirBlocks; the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench. Product Specifications: Sheave Diam (mm)=57 Sheave Diam (in)=2.25 Max Rope Diam (mm)=12 Max Rope Diam (in)=0.5 BL (kg)=1633 BL (lb)=3600 MWL (kg)=1633 MWL (lb)=3600