Ronstan Series 40 BB Double Block w/ Swivel Head Waterproof C/C A: 2 3/4" (48

C/C A: 2 3/4" (48 mm)

manual firing or AIS MOB1 unit depending on your particular requirements

Drawcord hem adjustment for a customizable fit

Breaking Load - 3300 Lbs (1500 kg)

Spinlock T50 Deck Organizer w/ 2 Sheaves

Ronstan Series 40 BB Double Block w/ Swivel Head Waterproof C/C A: 2 3/4" (48Product Description Ronstan Series 40 BB Double Block w Swivel Head Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation Specifications: Sheave 1 9 16 in. (40mm)