Allen Dual Arm Mainsheet Jammer Select (See Table Below):AL-5166-DUAL-A DUAL ARM SWIVEL JAMM+2160 BLK - EACH Resistance/Continuity Alarm: 0

Resistance/Continuity Alarm: 0

in combination with a MasterBus Serial Interface

all of Anchor Marine's popular sized fenders are available in white with contrasting dark blue ends

Harmonic distortion typical: < 1%

Manufacturer Part Number: D3100022

Allen Dual Arm Mainsheet Jammer Select (See Table Below):AL-5166-DUAL-A DUAL ARM SWIVEL JAMM+2160 BLK - EACH Resistance/Continuity Alarm: 0Dual 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