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Modern, smooth rolling triple sheave swivel blocks with sliding bearing, developed by the Swedish mast builder SELDEN.
Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings.
Rope sheave made from high strength ACETAL with riveted axle.
Sliding bearing blocks, called PBB Plain Bearing Block with SELDEN, are especially suitable for high static loads, e.g. for halyards, sheet deflections and kicking straps.

The highest load possible is equal to 50% of the declared breaking load.

The swivel shackle can be locked in two positions at the push of a button.

The blocks are also available with a clam cleat.

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Dual sheave block by SELDEN
Modern, smooth rolling double sheave swivel blocks with sliding bearing, developed by the Swedish mast builder SELDEN.Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings.Rope sheave made from high strength ACETAL with riveted axle.Sliding bearing blocks, called PBB Plain Bearing Block with SELDEN, are especially suitable for high static loads, e.g. for halyards, sheet deflections and kicking straps.The highest load possible is equal to 50% of the declared breaking load.

From €76.90 *
Single sheave block by SELDEN
Modern, smooth rolling single sheave swivel blocks with sliding bearing, developed by the Swedish mast builder SELDEN.Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings.Rope sheave made from high strength ACETAL (D=70 mm and 80 mm with low friction TEFLON sliding bearing) with riveted axle.Sliding bearing blocks, called PBB Plain Bearing Block with SELDEN, are especially suitable for high static loads, e.g. for halyards, sheet deflections and kicking straps.The highest load possible is equal to 50% of the declared breaking load.The swivel shackle can be arrested in two positions at the push of a button.The blocks are also available with a clam cleat.

From €22.90 *

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SELDEN snap shackle
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Single sheave block by SELDEN
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Modern, smooth rolling swivel blocks with clam cleat, developed by the Swedish mast builder SELDEN.Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings, rope sheave made from high strength ACETAL with riveted axle.Sliding bearing blocks, called PBB Plain Bearing Block with SELDEN, are especially suitable for high static loads, e.g. for halyards, sheet deflections and kicking straps.The swivel shackle can be arrested in two positions at the push of a button.The highest load possible is equal to 50% of the declared breaking load.

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Fiddle block by SELDEN
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Cheek block by SELDEN
Modern, smooth rolling cheek blocks with sliding bearings, developed by the Swedish mast builder SELDEN.Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings.Rope sheave made from high strength ACETAL (D 80 mm with low friction TEFLON sliding bearing) with riveted axle.The highest load possible is equal to 50% of the declared breaking load.For mounting the blocks on the mast without an additional base plate there is a model each with a hollow rounded support. The radius for which the block is optimally suited is specified.Mounting screws are not included in the shipment.

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Dual sheave block by SELDEN
Modern, smooth rolling double sheave swivel blocks with sliding bearing, developed by the Swedish mast builder SELDEN.Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings.Rope sheave made from high strength ACETAL with riveted axle.Sliding bearing blocks, called PBB Plain Bearing Block with SELDEN, are especially suitable for high static loads, e.g. for halyards, sheet deflections and kicking straps.The highest load possible is equal to 50% of the declared breaking load.

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Modern, smooth rolling triple sheave swivel blocks with sliding bearing, developed by the Swedish mast builder SELDEN.Casings made from high tensile, glass fibre reinforced plastic with internal stainless steel fittings.Rope sheave made from high strength ACETAL with riveted axle.Sliding bearing blocks, called PBB Plain Bearing Block with SELDEN, are especially suitable for high static loads, e.g. for halyards, sheet deflections and kicking straps.The highest load possible is equal to 50% of the declared breaking load.The swivel shackle can be locked in two positions at the push of a button.The blocks are also available with a clam cleat.

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