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Lewmar - Control Vertical Lead Block 40mm

Lewmar - Control Vertical Lead Block 40mm
 Lewmar - Control Vertical Lead Block 40mmLewmar - Control Vertical Lead Block 40mm 


Manufacturer #:  29901463BK

Price:  £28.99
RRP:  £31.32
Save:  £2.33
(Inc. VAT @ 20%)

Ideal for use with hand-held loads, the Lewmar Control Block features lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows standand salt to be flushed out easily, keeping maintenance simple.

We're currently unable to show live stock information on our website, so if you need delivery fast we strongly recommend checking availability first. Simply fill out the form below and we'll get back to you, or call us on +44 (0)1243 375774 for an immediate answer.

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Product Information

  • Lightweight
  • Very high strength
  • Impact resistant
  • Reduced friction
  • Easy maintenance
  • Optimised for hand control


  • Control line applications
  • Mainsail sheets for dinghies and keelboats
  • Spinnaker sheets, barber haulers
  • Genoa sheets
  • Dinghy applications

Lewmar Control Block Specifications - Vertical Lead

Sheave Ø Working Load Limit Max Line Ø Shackle Post Ø Max Pin Ø
30mm 200kg 8mm 7.1mm (Single/Double)
9.25mm (Triple)
4mm (Single/Double)
5mm (Triple)
40mm 240kg 10mm 8mm (Single/Double)
11.5mm (Triple)
4mm (Single/Double)
5mm (Triple)

  A   - Long fiber cheek

  B   - High strength glass-filled sheave

  C   - Marked sheave - showing line size and safe working load

  D   - Stainless steel balls and ball groove - avoids deformation and loss of performance

Lewmar Block Selection Guide

Click For details



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