Wichard Double 2 11/64" (55mm) Ball Bearing Block w/ Swivel Head & Becket Bibs there is an inside zipper

there is an inside zipper for sewing machine access

B- 1 1/64 inch

Stainless steel grade: 420 HC modified

Standard AFNOR 35-051

Wichard Double 2 11/64" (55mm) Ball Bearing Block w/ Swivel Head & Becket Bibs there is an inside zipperProduct Description Wichard Double 2 11 64" (55mm) Ball Bearing Block w Swivel Head & Becket Features: Weight: 10. 4 oz. (295 g) Sheave diameter: 2 11 64" (55mm) Shackle Diameter: 1 4" (6mm) Length: 5 43 64" (144mm) Width: 2 31 64" (63mm) Thickness: 2 3 64" (52mm) Working load: 1764 Lbs (800 kg) Breaking load: 3300 Lbs (1500 kg) Rope Size: 13 32" (12mm) Forged Shackle: 1 4" (6mm) Applications Mainsail systems and travelers Spinnaker sheets Genoa