7 Series blocks offer medium sized cruising and racing yachts Delrin(tm) and Delrin(tm) Ball Bearing sheave blocks with a stunning combination of strength and performance. Available with highly polished Stainless Steel or Black Hardcoat anodized Aluminum cheeks that are reinforced with large Stainless Steel V-Straps and head posts. All of the 7 series blocks work with convenient Universal adapters and contain Schaefer's three-way head that allows for free swiveling or front/side set positions. Choose from the 7 series with Delrin(tm) sheave with plain bearing (704 series), SS cheeks with Delrin(tm) plain bearing sheaves (705 series), or Ball bearing sheaves (706 series).
• Sheave diameter is 2-3/8" (60mm)
• Sheave width is 3/4" (19mm)
• Pin diameter is 1/4" (6mm)
• SWL is 2250 lbs. (1020kg); Ball Bearing block SWL is 1700 lbs. (771kg)