Sapphire embedded crystal tips for use with Vaniman Air Abrasive Units. 2 per pack with 2 nozzle o-rings. These are more durable than the tungsten carbide tips, but produce a less precise spray pattern for media.
XL (red) for 100-250μm media and tank - 1.6mm diameter
L (black) for 50-100μm media and tank - 1.2mm diameter