<B>Nautos #92231-Classic line 57 MM -SINGLE FIXED (MAST BASE) WITH 1/4" PIN (6MM)- 57 mm sheave-long lasting characteristics.Sailboat block Review</b><P>http://tinyurl.com/lggcuw7 <P><P> Nautos #92231-Classic line 57 MM -SINGLE FIXED (MAST BASE) WITH 1/4" PIN (6MM)- 57 mm sheave-long lasting characteristics.Sailboat block <P>Working load 450 lbs<P>Breaking load 2000 lbs<P>Maximum rope line 1/2"<P>Sheave diam. 57MM<P>Weight 5.5 OZ.<P>
