Nedo Tripod Point & Pad Combo Shoe (3ea.) 660121 Specifications: For work on uneven outdoor terrain activate the steel points by screwing in the rubber balls. Hide the steel points with the rubber balls when working on smooth or sensitive floors . Tread: M10 Works with tripod models: 210676-185 (210676), 210678-185 (210678), 210683-185 Includes One Year Manufacturers Warranty