Double block with becket and anodized aluminum cheeks. Works with 504-35 for a 4:1 purchase. Delrin(tm) sheaves ensure smooth operation with high safe working load. Sheave Dia. 2" (51mm), Thickness 1-21/32" (42mm), Width 2-1/8" (54mm), Length 6-3/16" (157mm), SWL 1750 lbs. (795kg), Weight 9.1oz (258g), Max Line 7/16" (11mm)
Schaefer Marine, Inc. warrants its standard catalog products to be free from factory defects in material and workmanship for a period of ten (10) years from the date of purchase, unless otherwise stated in this catalog or any other Schaefer Marine catalog. * Furling, Tuff Luff, and Windlass products have shorter warranties and are shown per product.
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Fitting products to your boat is not one size fits all, feel free to reach out to our team for assistance at 508-995-9511 or firstname.lastname@example.org
Schaefer One Series Blocks have introduced many sailors to their first sailing experiences on dinghys, prams and small daysailers around the globe. Offered in a complete range of configurations to meet the needs of todays small boat sailors.