Schaefer Lead Blocks on Slides have been the standard of the marine industry for over thirty years.
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Schaefer Spring loaded Lead blocks allow jib and Genoa sheets to be sheeted at any angle.
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360 degree block rotation.
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Heavy duty stand-up springs.
303-72 Stand up spring block for 3/4" T-Track. Delrin(tm) sheave
ensures smooth lead and high saf..
303-86 Spring loaded block for 1" T-Track. Delrin(tm) sheave ensures
smooth operation and high sa..
504-82 Stand up spring block for 1" T-Track. Delrin(tm) sheave ensures
smooth operation and high ..
505-82 Stand up spring block for 1" T-Track. Delrin(tm) sheave ensures
smooth operation and high s..
704-92 Stand up spring block for 1-1/4" T-Track. Delrin(tm) sheave
ensures smooth operation and hi..
705-92 Stand up spring block for 1-1/4" T-Track. Delrin(tm) sheave
ensures smooth operation and hi..
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