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Description

Mainsheet block base with stand-up spring and adaptor for a variety of blocks.
The DELRIN ball bearings ensure good turning, even under load.
Using the adjustor screw, the foot can be braked or locked.
The black aluminium extension arm is available in two lengths. The mounted cleat is suitable for ropes with a diameter of 8-13 mm and can be mounted on or under the extension arm.

The high quality of the blocks made by the manufacturer HERM.SPRENGER (HS) and the good price to performance ratio have been emphasized in a number of professional journals.

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