* Encased in durable and odorless urethane * Solid steel insert ensures a precision fit * Will not crack, fade, or damage floors or equipment * Manufacturer"s warranty included - see complete details in the Product Guarantee area. About TKO TKO"s mission is to manufacture and design innovative fitness and boxing equipment to te wellness and a healthy lifestyle. Founded in 1996, TKO has become a leading provider of products for elite boxing events, including the National Golden Gloves competition and the International Female Boxing Association. TKO is committed to bringing you fitness products that will provide you years of value and enjoyment. * Encased in durable, odorless urethane * Solid steel insert for precision fit * Won"t crack, fade, or damage floors or equipment * Available in your choice of weight * Manufacturer"s warranty included (see product guarantee)