Series 40 All-Purpose Double Block

Model # 271697 Mfg # RF41200
5 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 Double Block
Model # 271697 Mfg # RF41200
5 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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All-purpose, plain bearing block designed for strength and durability.

Series 40 All-Purpose Double Block. Ronstan's 40mm plain bearing blocks are strong and compact. "Smart" features include swiveling universal head 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 up to 10mm. Cheek is made from stainless steel and fiber-reinforced textured Zytel.

Key Features

  • Strong and compact with plain bearing
  • Swiveling universal head for correct load and sheet alignment
  • Accepts a line size up to 10mm
  • Cheek made from stainless steel and fiber-reinforced textured Zytel

Ball Bearings Plain Bearings
Becket No Becket
Direction Any
Integral Cleat No Integral Cleat
Line Diameter 10 mm
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 1323 Pounds
Type Double
Weight 4.8 Ounces
Sheave Diameter 40 mm

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