We ship the most economical method for you unless you specify otherwise. The shipping cost listed is only an estimate and is determined by cost of the item not weight. Most times shipping cost is much less. If for some reason it seems to be unreasonable please call 307-875-5461 and we can give you a closer estimate.
It is designed with a sharp circular blade inside. Designed after an antique thread cutter. Threads can be cut using any of the grooves.