Harken Aluminum Swivel Block - 75mm Emergency Gear Applications Ideal for mainsheet

Applications Ideal for mainsheet

Connect deck fill to reservoir via hose (not included)

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

most automotive engines cruise at 2500 rpm

Harken Aluminum Swivel Block - 75mm Emergency Gear Applications Ideal for mainsheetThe 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.