Very durable, roll easily, and are well suited to a variety of applications. These lightweight wheels cushion your ride over rough surfaces, providing excellent shock absorption. The softer 88A Durometer TPR tread design will not mark your floors. Our wheels are resistant to chemicals, water, and steam; they are also designed to reduce accumulation of debris, and can handle a variety of weather conditions. Thread guards are designed as a grease seal and are date stamped to assist you in evaluating wheel life.