Twin Sheet Lead 25x3MM - Black32-77 Twin Sheet Lead block. The anodized aluminum body is machined from 6061-T6 aluminum and articulates to ensure a proper lead. Anodized aluminum sheave runs on Nomex/Teflon bearing for a low-friction high strength sheave. Pin stop makes adjustment simple. Features: Track Size 1" x 1/8" (25 mm x 3 mm); Boat Size Up To LOA 29'; Disp. 5000 lbs.; Sail Area 315 sq. ft (8m, 2270 kg, 29 m2); Sheave Dia. 1-1/2" (38 mm); Max Line (2) 1/2" (13 mm); L 3-1/2" (89 mm); W 1-11/32" (34 mm); H 3-9/32" (83 mm); Bearing Height 1-29/32" (49 mm); SWL 2500 lbs. (1135 kg); Weight 10 oz. (284 g); - cis2:mm5mnJlm -