Schaefer 4" Self Jamming (Silver) SCHAEFER 8/9 SERIES BLOCKS HH LIFA® is a performance

HH LIFA® is a performance base layer

384 Lbs (174 g)

Main fabric: 100% Polyester - 197 g/m

Monobloc item (without mechanical part) for a better reliability

Diameter D- 5/16 inch

Schaefer 4" Self Jamming (Silver) SCHAEFER 8/9 SERIES BLOCKS HH LIFA® is a performanceProduct Description Schaefer 4" Self Jamming (Silver) Features: 4" Self Jamming Silver Anodized Cleat. Excellent for use with genoa sheets or reefing lines. One "wrap" around our "v" shaped base locks line in cleat for quick adjustments. Specifications: Length: 4" (102 mm) Line Score: 5 16" (8 mm) Fasteners (2): #10 FH (5 mm) C C A: 1 1 16" (27 mm) Weight: 1. 5 oz. (43 g)