Spring Health Products, Inc. is a recognized industry leader in the manufacture of diamond burs, LED curing lights, hand-pieces and laboratory rotary and is committed to research and the continued advancement of materials science to bring innovative dental products to the market. Our products are made in the USA and have received the highest clinical evaluations. We have been producing premium quality diamonds for more than 50 years! Our factory is located in Norristown, Pennsylvania. Backed by Spring Health Products 100% satisfaction guarantee. We now sell face shields and hospital grade UV-C lamps as well.