Schaefer Double Ball Bearing Block SCHAEFER T-TRACK CONTROL BLOCKS Fastener Size: (3)

Fastener Size: (3)

Schaefer Halyard Lift Turning Block / Delrin Max Wire 7/16 (11 mm)

A - 1 1/32 in

Lewmar 72mm Fiddle Becket & Cam Synchro Block

Eye Width: 3/8" (10mm)

Schaefer Double Ball Bearing Block SCHAEFER T-TRACK CONTROL BLOCKS Fastener Size: (3)Product Description Schaefer Double Ball Bearing Block Double Block with Aluminum Cheeks, Delrin(tm) Ball Bearing Sheaves. Universal Head may be locked in place or allowed to swivel. Boats to 34'. Use with 7 Series Adapters or 706 35 for a 4: 1 Purchase. Specifications: Sheave Dia.: 2 3 8 in. (60 mm) Sheave Width: 3 4 in. (19 mm) Pin Dia.: 1 4 in. (6 mm) Length: 5 27 32 in. (148 mm) Width: 2 1 2 in. (64 mm) Thickness: 2 in. (51 mm) SWL: 1700 lbs. (771