Replace your net top rope tensioning winch on your Bison system or on other manufacturers’ 3″ or 3-1/2″ outside diameter volleyball systems • Computer machined backlash free winch with folding handle will provide up to 250# of top rope net tension on any manufacturer’s net • Includes post attachment clamp • Order VB10W30 to mount to 3″ diameter posts, order VB10W35 to mount to 3-1/2″ diameter posts • Five-year limited warranty. Approx. shipping weight: 5#/each. Sm. Pkg.