Schaefer Single Cheek Block w/ Curved/Base Forespar TS & UTS Automatic Socket Ends Spinnaker and job sheets on

Spinnaker and job sheets on dinghies - especially modern asymmetric classes

Fastening size at hinge section use (M6 / 1/4")

Base Diameter B(in) - 5 7/16

positive positioning of track slides

Weight - 133

Schaefer Single Cheek Block w/ Curved/Base Forespar TS & UTS Automatic Socket Ends Spinnaker and job sheets onProduct Description Schaefer Single Cheek Block w Curved Base 03 30 Stainless Steel cheek block with curved base. Fits spar diameters up to 2". Delrin(tm) plain bearing sheave ensure high safe working load and is good for static loads. Specifications Sheave Dia.: 1 7 16 in. (37 mm) Sheave Width: 9 16 in. (14 mm) Pin Dia.: 3 16 in. (5 mm) Max Line: 7 16 in. (11 mm) L: 3 11 16 in. (949 mm) W: 1 in. (25 mm) H: 3 4 in. (19 mm) Fasteners: (4) #10 RH (5 mm)