Sprenger Diamond Paste cleans, maintains and gives protection in one single application. It is suitable for use on Aurigan and Sensogan bits.Diamond Paste is kind to the skin, non-toxic, and non acidic. Contains micro fine polishing granules. Squeeze a little paste onto a cloth and apply directly to the surface to be cleaned. Polish for a perfect finish. 5% anionic and non ionical tensides, preservative and fragrance free.