Precision Flat, Stipple concealer on sun spots, blemishes, and other small imperfections. Precision Round, apply eye shadow base or primer onto the lid. Precision angled, apply product to areas such as the sides of the nose and the hollows of the cheeks. Precision tapered, exact placement of concealer in harder to reach areas such as around the eyes and nose, chin, and around the mouth. Precision flat angled, use for precise application of concealer products anywhere on the face. Works particularly well around the eyes and nose.