Harken Midrange Stand-Up Spring: Mauri Pro Sailing

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Harken Midrange Stand-Up Spring

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Product Description

Harken Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fair lead under load.

Use the1634 Harken stand-up base with Harken Midrange blocks and 57 mm or 75 mm Harken Cruising ESP blocks. Block headpost fits into socket without shackle. The low-profile design is ideal for mastbase and halyard lead blocks.

Part Number: 1603

Specifications

	Imperial	Metric
Weight	0.74 oz	21 gr
A	2 1/2"	64 mm
B	1 3/8"	35 mm

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