Philips Norelco All-in-One 3000 Series 13 in 1 Trimmer, Beard Styler & Men's Hair Clipper, 9 Length Settings & Self-Sharpening Skin-Friendly Blades, MG3919/50SKIN FRIENDLY COMFORT BLADES provide a quick, comfortable trim thanks to unique blade technology with rounded tips that are gentle on skin as you trim 13 IN ONE TRIMMER choose from 13 pieces to trim your beard, head, nose and ear hair; 9 length settings (0. 5mm 16 mm) for a wide range of styles from clean stubble to long beard. LONG LASTING PERFORMANCE self sharpening, maintenance free blades stay as sharp as day one and do not require oiling