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Allen Brothers  |  SKU: ALNA20401BFH-77

Allen Brothers 40mm Dynamic Fiddle Block/Becket with Hook and A..77 Cleat

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Sale price $147.00 Regular price $154.22

Pickup available at 1830 East Interstate 30

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DELIVERY AND RETURN INFO

Allen Brothers 40mm Dynamic Fiddle Block/Becket with Hook and A..77 Cleat

40mm Single Dynamic Hook Block With Becket, Fiddle & Cam Cleat

The 40mm Single Dynamic Swivel Hook Block With Becket, Fiddle & Cam Cleat is a versatile, high-performance pulley designed for keelboats and dinghies. Manufactured from durable, lightweight glass-loaded nylon and featuring Allen’s advanced Dynamic Bearing Technology, it delivers smooth, efficient line handling for mainsheets, jib sheets, spinnaker sheets, and control line systems.

Combining a swivel hook head, integrated becket, 20mm fiddle sheave, and adjustable cam cleat, this block is ideal for compact purchase systems requiring quick attachment, smooth operation, and secure rope control.

Features

  • Single-sheave block with integrated fiddle sheave and cam cleat
  • Manufactured from durable, lightweight glass-loaded nylon
  • Ideal for mainsheet, jib sheet, spinnaker sheet, and keelboat control line applications
  • Patented Dynamic Bearing System with twin rows of stainless-steel ball bearings running on a stainless-steel rail
  • Caged ball bearings for reduced friction and enhanced rolling performance
  • Superior load-carrying capability and long service life
  • 360° Swivelling Hook Head for quick attachment and removal
  • Ideal for lightweight control systems requiring fast rigging changes
  • Integrated Becket for creating purchase systems and convenient tie-off points
  • Ideal for cunningham, outhaul, and vang control systems
  • 20mm Dynamic Bearing Fiddle Sheave ensures smooth, efficient operation in multi-purchase systems
  • A.77 Aluminium Cam Cleat mounted on an adjustable stainless-steel arm for secure line holding and easy adjustment
  • Cleat angle can be adjusted to suit different sheeting positions and line lead angles by loosening the centre fixing, repositioning the arm, and retightening
  • Designed for smooth, reliable performance in demanding marine environments
  • Compact, all-in-one solution for applications requiring purchase, cleating, low-friction performance, and rapid attachment or removal of the block

Technical Description

Accessories Cleat, Fiddle, Hook, Swivel
Bearing Type Dynamic
Configuration Single
Breaking Load 540 kg
Length 153 mm
Height 153 mm
Maximum Line Diameter 6 mm
Maximum Working Load 80 kg
Pin Size 4 mm
Width 48 mm
Weight 172 g
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