Product Description

75 mm Black Magic® AirBlocks® feature Torlon® roller bearings for strength and reduced wear. The unique center cage separates rollers for less friction. Sideload ball bearings are protected by sculpted aluminum sideplates. Dissimilar metals are isolated to minimize corrosion. Low-load blocks use Delrin® rollers and type 316 stainless steel shackles.

Use for:
Big Boat Mainsheets and Mastbases

Part Number: HBB254

Imperial Metric
Sheave Dia. 3" 75 mm
Length 6 1/2" 165 mm
Weight (for Pair) 35 oz 995 gr
Shackle Pin Dia. - -
Max Line Dia. 9/16" 14 mm
Maximum Working Load 7500 lbs 3400 kg
Breaking Load 15000 lbs 6804 kg
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Harken 75 mm Black Magic Standup Double Block
Original Price: $ 1,150.00
Price: $ 915.17

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