Series 40 All-Purpose Triple Block with Becket and 2-Axis Head

Model # 4563565 Mfg # RF41310
4.1 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
Series 40 All-Purpose Triple Block with Becket and 2-Axis Head
Model # 4563565 Mfg # RF41310
4.1 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Sturdy triple block for boats up to 26'.

Series 40 All-Purpose Triple Block with Becket and 2-Axis Head. Ronstan's 40mm plain bearing blocks are strong and compact. Head post free swivels for correct load and sheet alignment. For dinghies and keelboats up to 26'. 1 9/16" (40mm) sheave is made from UV-stabilized acetal and accepts a line size of 7/16" (11mm). Cheek is made from stainless steel and fiber-reinforced textured nylon.

Key Features

  • Triple block with becket and 2-axis head
  • Head post free swivels for correct load and sheet alignment
  • Accepts a line size of 7/16" (11mm)
  • Strong stainless steel and fiber-reinforced textured nylon cheek

Ball Bearings Plain Bearings
Becket Becket
Diameter 7/16 Inch or 11 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 1540 Pounds
Type Triple
Weight 7.4 Ounces
Sheave Diameter 39 mm

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