The Lecenté 100/180 Half Moon Files are perfect for use as part of the Create Builder Gel/Fibre Gel system offering greater hand control when filing. Use the 100-grit side for the filing, shaping and the removal of Builder Gel/Fibre Gel and finish with the 180 grit side. Fully washable and can be sanitised. Made from the finest Japanese abrasive paper. Fully washable and can be sanitised.