Schaefer 2" Double Aluminum Block Rainwear With LIFA® fibers on the

With LIFA® fibers on the inside

Stainless Steel Footblock with non-ball bearing Delrin(tm) Sheave

Two pockets at front with zippers and flaps

ease of adjustability and wide aperture openings for enhanced ventilation

73-37 Reefing slide/block allows the "dead end" of the reefing line to be tied or spliced and led around the boom and through your clew reefing grommet

Schaefer 2" Double Aluminum Block Rainwear With LIFA® fibers on theProduct Description Schaefer 2" Double Aluminum Block For Boats to 28'. Double sheave block with anodized aluminum cheeks. Works with 504 35, 504 75, 504 76 for a 4: 1 purchase. Delrin(tm) sheaves ensure smooth operation and high safe working load. Swivel head may be locked in place to avoid twist. Specifications: Sheave Dia.: 2 in. (51 mm) Thickness: 1 21 32 in. (42 mm) Max Line: 7 16 in. (11 mm) Length: 5 1 16 in. (129 mm) Width: 2 1 8 in. (54 mm)