Schaefer Series 7 - 60mm Blocks
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)
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)