60mm Blocks - Series 7

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.

This robust yet lightweight construction produces an exceptionally strong block built to perform. 

All of Schaefer's 7 series blocks work with convenient Universal adapters and contain our three-way head that allows for free swivelling or front/side set positions. Choose from Schaefer's 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).

Mainsheet Systems: boats to 34' (10.3m)

Halyard Leads: boats to 34' (10.3m)

Genoa Leads: boats to 34' (10.3m)

Control Lines: boats to 45' (13.7m)

Common Specifications

Sheave Diameter: 2-3/8" (60mm)

Sheave Width: 3/4" (19mm)

Maxiumum Line Diameter: 1/2" (13mm)

Pin Diameter: 1/4" (6mm)

SWL Aluminium / Stainless: 2250lbs (1020kg

SWL Ball Bearing: 1700lbs (771kg)