Faulty parts, contacted seller, say they can’t send replacement parts but can refund $1 or can have a discount on buying more, or buy more and they will ship the parts with it.... umm no. Terrible experience highly don’t recommend.
The “diamond tips” wear off after 1-2 uses seems to just be light grit glued on. Faulty filter parts, Terrible quality, terrible seller, don’t recommend.
it's worth the price just don't expect the same smoothnes of the real thing in clinics but it works the same