Harken 51mm Line/Wire High Strength Blocks

Lightweight, low-friction wire blocks

Carry wire halyards and high strength control lines

High-load composite bearings carry axial loads

Available with or without becket

£ 98.80 inc VAT

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Hardkote-anodised Teflon impregnated sheaves give high strength and corrosion resistance.

This block uses low fiction thrust washers.

TypeBreak LoadSafe LoadMax Wire DiameterMax Line Diameter
25mm Line/Wire907kg454kg2mm4mm
38mm Line/Wire1361kg680kg3mm5mm
51mm Line/Wire1814kg907kg5mm6mm

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