7 Series Two Sheave over two sheave Aluminum deck organizer. Stainless Steel base and anodized aluminum top strap provide a high strength base. Delrin(tm) sheaves ensure smooth operation and high strength. Sheave Dia. 2-3/8" (60 mm), Max Line 1/2" (13 mm), Length 7" (177 mm), Width 2-3/8" (60 mm), Height 1-29/32" (48 mm), Fasteners (2) 5/16" RH (8 mm), CC 2-3/4" (70 mm), SWL 3000 lbs. (1365 kg), Weight Alum. 1 lb. 11 oz. (765 g) 7 Series deck organizers available with aluminum sheaves part #62-070-BW