Schaefer Double Aluminum Fiddle Block w/Swivel Shackle, Sheave Dia. 1 7/16" SCHAEFER OVER THE TOP BLOCKS low-profile solution which allows full

low-profile solution which allows full articulation

•Dolly style has a more upright bow tube for boats with a plumb stem

90% Polyester

Pull-on tab for easy on and off

Opening angle at 21mm hull thickness is 165

Schaefer Double Aluminum Fiddle Block w/Swivel Shackle, Sheave Dia. 1 7/16" SCHAEFER OVER THE TOP BLOCKS low-profile solution which allows fullProduct Description Schaefer Double Aluminum Fiddle Block w Swivel Shackle, Sheave Dia. 1 7 16" Fiddle block with aluminum cheeks and swivel shackle. Delrin(tm) sheaves ensure low friction and high safe working load. Works with 303 85 for a 4: 1 purchase. For boats to 25', control lines on boats to 30'. Specifications: Sheave Dia.: 1 7 16 in. (37 mm) Sheave Width: 9 16 in. (14 mm) Pin Dia.: 3 16 in. (5 mm) Thickness: 3 4 in. (19 mm) Width: 1 7 8 in.