ringmaster ko speedball kitKO SPEEDBALL KIT The KO Speedball Kit is your new training companion. Includes a durable KO speedball, pair of mitts and a nylon speed swivel everything you need to get started! Speedball training is excellent for improving endurance, speed and hand eye coordination. SPECIFICATIONS: Durable PU outer cover on speed ball and mitts Multi weave single layer construction for increased durability with double stitiching Unique shape defines target area and