Garhauer Marine 51 mm Series 25 Stainless Steel Block - Snap Shackle, 25-15US Sheave Size_51 mm Choose from the 7 series

Choose from the 7 series with Delrin(tm) sheave with plain bearing (704 series)

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Aluminum or polished stainless steel

The result is increased sail efficiency and faster sail changes

MKIV furling systems are strong

Garhauer Marine 51 mm Series 25 Stainless Steel Block - Snap Shackle, 25-15US Sheave Size_51 mm Choose from the 7 seriesThese durable, corrosion resistant blocks are constructed with polished stainless steel cheeks and load straps, making them an excelllent choice for installation at the masthead or other hard to service areas. Polished stainless steel Corrosion resistant High strength, low weight