Crystal HD Mouth Mirror - #5 with Soft Grip, Gray 12/Pk. 40% brighter than rhodium mirrors. More scratch resistant. Reduces eye strain and fatigue. Lens is flush with mirror frame, eliminating the possibility or corrosion build-up. Eliminates galvanic shock. Autoclavable up to 136 degree C /275 degree F. Reduces eye strain and fatigue. 40% brighter than rhodium mirrors. Minimizes the possibility of corrosion build-up. Crystal HD Soft Grip Mirrors are excellent mouth mirrors that are scratch-proof and 40% brighter than rhodium mirrors to reduce eye strain and fatigue. The mirror frame of the lens decreases corrosion build-up and eliminates galvanic shock.