Ronstan Series 40 BB Orbit Double Block w/ Swivel Shackle Lewmar Size 1 NTR Track System Mainsheet Cars snug fit and the non-slip

snug fit and the non-slip finish reduces ride-up

49 Lbs (222 g)

E - 3/8 in

Ronstan Series 15 Double BB Block

and preventing eye strain and fatigue at night

Ronstan Series 40 BB Orbit Double Block w/ Swivel Shackle Lewmar Size 1 NTR Track System Mainsheet Cars snug fit and the non-slipProduct Description Ronstan Series 40 BB Orbit Double Block w Swivel Shackle Features Class leading dynamic and status load rating Lightweight, yet strong. Toughened, glass fibre reinforced nylon replaces stainless steel straps used in our traditional utility blocks Low friction 2 stage ball bearing system for efficient and effortless trimming Soft attachment, lashing and traditional swivel shackle head options Low profile and compact High performance