Harken Aluminum Swivel Block - 75mm Emergency Gear most automotive engines cruise at

most automotive engines cruise at 2500 rpm

Designed to allow antenna wire to feed directly through the base eliminating the need for a separate cable grommet

Domino Cluster and greater holding surface area holds line under load without fraying

Applications Ideal for mainsheet

Harken Aluminum Swivel Block - 75mm Emergency Gear most automotive engines cruise atThe entire line of Black Magic Air blocks 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 Black Magic blocks, the three way head swivels locks in front side positions. Blocks are easily disassembled with a single hex wrench.