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ELECTRONIC NAVIGATION - Uses of AIS
All sizes can be stacked to create double versions - MWL of the top sheaves must not exceed 50% of the total block load rating
• Incorporates a 1-5/8" ID ring
Cutout / Mounting Hole: 7/8" dia
Ronstan Series 55 Single Ratchet Orbit Block, Auto/Manual Kanberra ELECTRONIC NAVIGATION - Uses ofNow you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism
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