OWS Batten car for Seldén/Kemp E- and D-sections, M10 stud Quick-Lock The Seldén BBB20 Double/Becket block

The Seldén BBB20 Double/Becket block is a 20mm ball bearing block

blocks for down

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and a cutter stay stowage bracket (508-225-01) mounted on the mast

The base plate is bolted to the deck with two M8 bolts

OWS Batten car for Seldén/Kemp E- and D-sections, M10 stud Quick-Lock The Seldén BBB20 Double/Becket blockOWS (Outer Wheel slider) is an excellent upgrade from traditional sail slides to reduce friction when hoisting and dousing the main sail. The depth and the shape of the slug is designed for earlier models of Seldn and Kemp sections (E sections and D sections used 1977 2002). The four wheels roll on the aft side of the mast section while the slug slides inside the luff groove. This car will also fit a great number of mast sections from John Mast,