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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Height 5/16"
Lock up or down plunger
Wichard 1/2" (12mm) Backstay Adjuster w/ Ratchet
bottom reinforced with 22 oz black vinyl
Lightweight and strong construction
Wichard 18mm Single Stainless Steel Block Spar Parts Optimist Height 5/16"Product Description Wichard 18mm Single Stainless Steel Block Features: Weight: 5. 6 oz. (160 g) Sheave diameter: 45 64" (18 mm) Length: 1 49 64" (45 mm) Width: 53 64" (21 mm) Thickness: 7 16" (11 mm) Working load: 441 Lbs (200 kg) Breaking load: 1100 Lbs (500 kg) Applications For dinghies and catamarans: boom vang, trapeze retriever systems, cunningham, outhaul, control lines Low load applications on larger yachts Material Grade 316L stainless steel