For Personal or Professional use <br />  Self Adhesive <br />  Comes with length and numbers marked on each form providing an accurate guide <br />  Specially designed for nail arts to produce the perfect 'C' curve when varnishing <br />  Suitable for all sized nails、 forms are width adjustable <br />  The marked lines on each form provide a guide for shaping nails with a file <br />  Suitable for natural、 acrylic、 UV !#!amp!*! gel nail extension <br /><br />How to use:<br />    Sets under the nail、 and the two corners stick together、 maintaining a perfect arc、 in the above production of crystal A or gel A. You can follow the above scale to determine the length you want to make nails、 convenient design allows you to easy to control the length of each crystal nail.