Looking for a hygienic way to use a new file during each manicure or pedicure treatment without an adhesive strip? The Staleks Pro Just Put On Straight File with Soft Base (DWCE-20 series/25w) is essentially a file in the form of a sleeve that slides over the Staleks Pro Disposable Wooden Base (WBE-20). This package contains a total of 25 disposable files and 25 wooden bases. The metal base could also be used as an option; this is the Staleks Expert Metal Base (MBE-20). The wooden base, however, is the environmentally friendly solution for your salon. It's a convenient way to quickly and easily remove the file from the base without leaving adhesive residue. The material is eco-friendly, clean, and your metal base remains glue-free. The sandpaper is of very high quality and suitable for single use. One package contains 25 straight files with a foam interlayer that reduces pressure on the nail plate; the set of Staleks files comes with 25 wooden bases. Do you want to shorten or shape natural nails? Then it's best to use a file with 240 grit. Grits 100, 150, and 180 are coarser and easily file down existing gel nails. If you want to infill an existing gel nail, then a 100, 150, or 180 grit is perfect for filing away up to 70%.