OWS Batten car with M10 stud, Seldén keelboat sections, Sparcraft, Z-Spars

OWS Batten car with M10 stud, Seldén keelboat sections, Sparcraft, Z-SparsOWS (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 to correspond to Seldn keel boat sections and some Sparcraft and Z spars sections . The four wheels roll on the aft side of the mast section while the slug slides inside the luff groove. 511 754 01 will fit: Seldn: C106; C116; C126; C139 Sparcraft: F35; F50; F67; F78;