25mm Cheek High-Strength Block

Model # 359703 Mfg # 301
3.6 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.
25mm Cheek High-Strength Block
Model # 359703 Mfg # 301
3.6 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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Harken 25mm High-Strength cheek Block with roller bearings to carry higher loads.

Harken's Lightweight, low-friction blocks with high-load composite bearings carry wire halyards and control line cascades. Side-load balls reduce friction from twists or unfair leads on 304-311. 300-303 has thrust washers. Blocks open to allow passage of swaged wire. Hard Lube-anodized sheave for strength and corrosion resistance. Cheek blocks include fasteners.

Key Features

  • Impregnated Hardkote anodized aluminum bearings
  • Side-load carbon-black Delrin® washers
  • Polished stainless steel strap type fixed shackle
  • Use for wire halyards, vangs, control lines
  • Sheave Diameter: 1" (25 mm) 
  • Max. Wire Diameter: 3/32" (2 mm)  
  • Max. Working Load (MWL): 1000 lb. (454 kg)  
  • Breaking Load: 2000 lb. (907 kg)   
  • Weight: 1.25 oz. (35 g) 

Ball Bearings Delrin
Becket No Becket
Diameter 5/32 Inch or 4 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 1000 Pounds
Type Single Cheek/Foot
Weight 1.25 Ounces
Sheave Diameter 25 mm

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