Ronstan RF28109 Series 25 Single Lashing Head Block

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Single sheave ball bearing block with becket and lashing head Features 2-stage ball bearing system. Suits up to 8mm (5/16”) lines. Hollow hub for becket take-off. Lashing blocks su it up to 4mm (5/32”) lashing. Specifications Product Specifications Type of Block Single B.L. (kg) 550 M.W.L. (kg) 250 Max. Rope diameter (mm) 8 Weight (g) 14 Sheave Material Acetal Notes: Both the MWL & BL are dependent on the strength of line used to lash the block through the central hub. Knots, splices, stitching will generally have a lower BL than the line itself. Show more