Profile: Kline Tool Co. manufactures downhole tools for well servicing industries. We supply topside tubing swivels, retrievable packers and bridge plugs. Our product line includes retrieving tools, unloaders, tubing swivels, mechanical collar locater and KTC tubing anchor/catchers. Our crest III packer is a weight set service packer for high pressure remedial work, acidizing, fracturing and squeeze cementing. Our tubing swivel lowers friction to a minimum, easing rotation and reducing the possibility of backing off the top collar.