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).
7 Series Single Aluminum Block with Aluminum Sheave
|Diameter||1/2 Inch or 13 mm|
|Integral Cleat||No Integral Cleat|
|Length||5 1/32 Inches|
|Mount Type||Mechanical Fasteners|
|Safe Working Load||2250 Pounds|
|Sheave Diameter||60 mm|
The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.