Overall® Economical Fast Drying Enamel Spray Paint, 10 oz, Aerosol Can, Gloss, Black ORS NASCO Evolution standard geometry is sufficient Evolution standard geometry is sufficient for most drilling applications Manufactured specifically to maximize hole accuracy while minimizing cutter vibration and extending annular cutter life Using this standard geometry enhances accuracy and saves time This allows for a single ejection of slugs when drilling through stacked material and private homes or where portable oxygen units are needed Equipped with large fast drying industrial enamel spray Great for a variety of spray paint needs where durability and long term quality are not required Use for indoor outdoor applications Economical