Fiddle block works with 25-53 for a strong 4:1 purchase. Delrin(tm) sheaves run on plain bearings for high static load strength. Sheave Dia. 1 1/16″ (27mm), Thickness 15/32″ (15mm), Width 1 7/8″ (48mm), Length 4 7/16″ (112mm), SWL 900 lbs, Weight 2.5 oz (71g), Max Line 5/16″ (8mm)
New Old Stock in Original plastic bag, only opened for images.
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