Product Review

This set is ideal for grinding, cleaning, cutting, polishing, etc The bits are coated with tough diamond particle This product is perfect for jewelers, hobby & craft, modelers, and other professions This set will last a long time, and you won't be disappointed You will receive 6 different types of these tough bits The mandrels size is 1/4" *check make sure that your machine is compatible* The overall length is 2 1/2" The head size is 1/2" They come in a protective storage case as pictured