‘IWH car wheel nut wrench extension ladder – Material: Chrome Vanadium Steel 2 Duplex inserts for 17/19 mm and 21/23 mm, 1/2 inch inner square, telescopic extendible from, 220 to 410 mm – 10872 Material: Chrome Vanadium Steel, Two and Half Duplex for 17/19 mm, 21/23 mm, 1/2 inch square socket, Telescopic Extendible from 220 up to 410 mm 10872