Allen Dual Arm Mainsheet Jammer Select (See Table Below):AL-5166-DUAL-A DUAL ARM SWIVEL JAMM+2160 BLK - EACH Manufacturer Part Number: R7303

Manufacturer Part Number: R7303

Resistance/Continuity Alarm: 0

Harmonic distortion typical: < 1%

in combination with a MasterBus Serial Interface

Technology: high frequency

Allen Dual Arm Mainsheet Jammer Select (See Table Below):AL-5166-DUAL-A DUAL ARM SWIVEL JAMM+2160 BLK - EACH Manufacturer Part Number: R7303Dual arm mainsheet jammer. Allen have spent many hours of research and development with various boat builders to perfect the angle and height of the cleat to optimise mainsheet jamming. Innovative light weight construction. Dual ball race for maximum efficiency. Optional click stops limit swivel rotation. Line snags virtually eliminated. Standard and high cleating angles to suit all. A groove had been created in the arm for the location of the ball