Single block MB 1XL High Load
frictionlashingfor sailboats

single block
single block
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Number of sheaves
Application domain
for sailboats
Working load

1,200 kg (2,645.5 lb)

Breaking load

2,400 kg (5,291.1 lb)


SIZE 1, High-Load Bearing. SWL/BL:1200/2400 Kg Sheave ø:50 mm Line ø:6-12 mm Weight:70 grams High Load Bearing 25% higher SWL than Performance Bearings. Ideal for semi-static applications Bearing ID Colour: Black The MORF Block is a light weight and high efficiency block. MB Cheeks are manufactured by FFF in UV stable plastic; its standard colour is black but it is custom available in a wide range of colours. MB Bearings are manufactured in high quality thermoplastics. Its patented technology not only provides a low friction media between the rope and sheave but protects its components from ware. High Load bearings are ideal for highly loaded semi-static applications such as: mast base lead blocks, halyard blocks, runners and highly loaded lines. High Performance bearings are ideal for demanding applications such as sheets and control lines where the blocks are in constant movement. Sheaves are precisely CNC machined in 6082-T6 aluminium with a hard anodise finish. Their size range provides a larger overall diameter, large flange, low weight and incredible load characteristics. Loops are rigged by MARLOW ropes using a range of Dyneema® SK78, SK99 and chafe covers. The result is a low elongation, light weight, low level of water absorption, high resistance to U.V. rays and low abrasion loop.


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.