The length of the roll is 8 m - this is enough for 100 changes of abrasive to files. But the master will always be able to save money by measuring each time the length he needs for the base file for manicure. Advantages: -reliability - the tape file does not get wet in water, it holds perfectly on the metal base. - safety - the abrasive tape is intended for individual one-time use - the client receives maximum safety. After use, the abrasive is removed and disposed of, and the base saw is disinfected and sterilized. - compactness and durability