Our most popular machine, the Nail Genie Pro 2 is powerful enough for acrylic nail maintenance, yet gentle enough for natural nails, tips, and wraps. The Pro2 comes with a handle cradle and attachmetn holder, plus a full et of starter attachments. The Pro2 has two speeds. The High, at 6,900 rpms, is best for shaping acrylic nails, taking down the lenth of nails, filing toe nails and exfoliating thick calluses. The Low, at 5,900 rpms, si best fro delicate shaping of both natural and acrylic nails, cleaning underside the nail bed, and cleaning around the cuticle area of your nail. The Nail Genie Pro2 is the perfect machine for more demanding users.