The Antal Dual Sheave Mast Block with 2 40mm sheaves is for lines up to 16mm. This solves the problem of the wear of the halyards coming out of the mast. This solution is also suitable for running a line from above to below the deck.

Product No. Diameter Ø Line A B C D E SWL Weight Bolts
00418/D 2 x 40mm 16mm 198mm 138mm 36mm 28mm 29mm 2500kg 0.26kg 2 x Ø8mm

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Antal Dual Sheeve Mast Block 40 mm Sheave
Price: $ 219.00

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