Flat, stainless base plate distributes loads to larger surface area than other designs that place loads on mounting bolts only. Use on spars and deck to lead sheets, halyards, reefing gear, and any control requiring a strong, clean lead. Sheave Dia. 2", Thickness 1 21/32", W 2 1/8", L 5 1/16", SWL 1750 lbs., Weight 8.3oz., Max Line 7/16".