45" Steel Runner Snow Sled for Kids Item size: 114.5 5815cm Runner width: 34cm Knees: 4 PCS Thick, rugged, smoothly finished wooden decks Heavy duty steel runners Customized pattern available 55" Steel Runner Snow Sled for adult Other length is available. Item size: 140 5815cm Runner width: 34cm Knees: 6 PCS GW/NW: 10KG/8.4KG.