Union Tool Co. designs, manufactures, and sells cutting tools, linear motion products, and metal machining equipment in Japan, China, Taiwan, and internationally. Its products include printed circuit board (PCB) drills and routers, ULF coatings, diamond coated routers, P series ultra precision micro-hole drills, PCB tools-related equipment, carbide end mills, linear motion products, and crossed roller guide and optical glass scale measuring instruments. It also offers roll dies, incremental dies, rack dies, rolled products, screw manufacturing dies, coating rods, and forging tools, as well as myBeat wearable heart rate sensors, a heart rate variability analysis tool, and a remote watching radar for small rooms. Formerly known as Union Chemical Research Co., Ltd., the company changed its name to Union Tool Co. in 1971, was founded in 1955, and is headquartered in Shinagawa, Japan.