1)High quality polyurethane chemically bonded to a painted cast iron core.
2)Offer floor protection, is non making and delivers somewhat of a cushioned and quieter ride than a standard hard tread or steel
3)Resistant to most chemicals, oils, acids, grease and water.
4)Standard color is red on sliver, however other colors are available , please ingtrire .
5)There are a few sizes to been choose. If you need other sizes please contact with our customer service directly.