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Main Vertical Member are 42.7mm (OD) x 2.4 mm (thick)

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Tensile strength is 540 N/mm2 (STK 540)

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Darwin System complies with ordinance on Industrial Safety and Health Act and Japanese Standard JIS A8961.

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Crab 25 Frames carry vertical load of 25 KN per leg.

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Main vertical tube members are 48.3 mm (OD) x 2.5 mm (thick)

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Tensile strength is 320 N/mm²

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Crab 25 System Complies with the European Standard HD1000

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Crab 60 Frames carry vertical load of 60 KN per log.

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Main vertical tube members are 60.3 mm (OD) x 2.9 mm. (thick)

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Tensile strength is 320 N/mm²

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Crab 60 System complies with the European Standard HD 1000

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L/D Frames carry vertical load of 24.5 KN per leg with a safety factor of two.

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Main vertical tube members are 48.3 mm (OD) x 2.5 mm (thick)