7 Series Single Aluminum Block with Aluminum Sheave

7 Series blocks offer medium sized cruising and racing yachts Delrin™ and Delrin™ 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 our three-way head that allows for free swiveling or front/side set positions. Choose from the 7 series with Delrin™ sheave with plain bearing (704 series), SS cheeks with Delrin™ plain bearing sheaves (705 series) or Ball bearing sheaves (706 series).