MDDI Mirrors Front Surface No. 4 with Percussion Tip Sterile (180) A sterile, single use, single front surface No. 4 mouth mirror. Features an ergonomic, ABS plastic handle (latex free) with ridges and groves to maximise user comfort and reduce hand fatigue. Dual functional with a stainless steel tip for percussion testing and an anti-fog mirror surface. Disposable instruments reduce cross contamination risks and reprocessing costs. MDDI kits contain high quality, precision made instruments. The probes, restorative instruments and London College Tweezers are manufactured from stainless steel. All instrument plastic is recyclable ABS.