Catalog » Rig Hardware Removable Jumper Strut SKU/ID: EC12 Jumper-R 7 Left in Stock $48.00 Short DescriptionRemovable Jumper Strut Fittings. For owners that use a sail box or like the convenience of a removable strut the strut is removable from the mast fitting. For use on the Teardrop Mast extrusion.