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.
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)
25mm Cheek High-Strength Block
5/32 Inch or 4 mm
No Integral Cleat
Safe Working Load
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