CT crawler type roller skids just can go straight, cant be swiveled when moving ,if want to turn direction, must be need the hydraulic toe jacks help. Roller with rigid pad top is durable and safe, easy to operate. Three pont moving systems also know as 3-point load moving systems, steerable machinery moving skates, tri-glide systems, adjustable moving systems and so on names. Three point moving systems are perfect for moving and handling heavy loads equipment. Regarding Roller with Swivel-Locking-Pad Top price list, rollers with rigid pad top pictures, three-point moving system details, machinery moving rollers applications,please kindly feel free contact with us. Professionally service hope will get your satisfaction. Shan Dong Finer Lifting Tools co.,LTD Skype: faithjiang888 Email: [email protected] Website: http://www.cargotrolley.com/