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Allen Brothers  |  SKU: ALNA20401BF

Allen Brothers 40mm Dynamic Fiddle Block/Becket with Swivel

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Sale price $73.50 Regular price $77.10

Pickup available at 1830 East Interstate 30

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DELIVERY AND RETURN INFO

Allen Brothers 40mm Dynamic Fiddle Block/Becket with Swivel

40mm Single Dynamic Swivel Block With Becket & Fiddle

The 40mm Single Dynamic Swivel Block With Becket & Fiddle is a 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 head, integrated becket, and fiddle sheave, this block is ideal for compact purchase systems used in cunningham, outhaul, vang, and other control line applications.

Features

  • Single-sheave block with integrated fiddle sheave for compact purchase systems
  • 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° Swivel Head fitted with a 4mm shackle for flexible attachment and optimal load alignment
  • 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
  • Designed for smooth, reliable performance in demanding marine environments
  • Compact, versatile solution for applications requiring both purchase and low-friction line control

Technical Description

Accessories Fiddle, Becket, Swivel
Bearing Type Dynamic
Configuration Single
Breaking Load 780 kg
Length 126.88 mm
Height 125 mm
Maximum Line Diameter 10 mm
Maximum Working Load 240 kg
Pin Size 4 mm
Weight 73 g
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