Schaefer Double Aluminum Fiddle Block w/Swivel Shackle, Sheave Dia. 1 7/16" Double Sheave(55mm) Fully integrated into sail thanks

Fully integrated into sail thanks to webbing

Working load - 1146 Lbs

Fasteners: (2) 1/4" RH (6 mm)

Delrin(tm) ball bearing sheave ensures low-friction operation

Weight 460g

Schaefer Double Aluminum Fiddle Block w/Swivel Shackle, Sheave Dia. 1 7/16" Double Sheave(55mm) Fully integrated into sail thanksProduct 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.