Schaefer Single Block w/Swivel Shackle Max Line 5/16" (8mm) Canvas Covers J/80 Schaefer 1 1/2" x 1/4"

Schaefer 1 1/2" x 1/4" Twin Sheet Lead Block

Collapsed Length (in/mm) - 148

Suits Series 22

Multihull mainsheet systems on boats to 19m (62ft)

Line Size (in) - 3/8

Schaefer Single Block w/Swivel Shackle Max Line 5/16" (8mm) Canvas Covers J/80 Schaefer 1 1/2" x 1/4"Product Description Schaefer Single Block w Swivel Shackle Max Line 5 16" (8mm) Single block with swivel head. Delrin(tm) sheave on plain bearing allows for a low friction yet high load block. For boats to 20'. Specifications Sheave Dia.: 1 1 16 in. (27 mm) Sheave Width: 3 8 in. (9 mm) Pin Dia.: 3 16 in. (5 mm) Thickness: 19 32 in. (15 mm) Width: 1 3 16 in. (30 mm) Length: 3 1 2 in. (89 mm) SWL: 900 lbs. (410 kg) Weight: 2 oz. (57 g) Max Line: 5 16