The new nail forms have been designed to create any extreme shape such as edge, pipe, stiletto, Russian almond, etc. They are made of high-quality aluminum, are very durable and malleable. They are equipped with convenient guidelines to facilitate their correct positioning. The numbered grids provide easy visibility when choosing the length, reaching a maximum extension of 14 cm. The guidelines help the professional make the correct cuts to best insert the form. The upper wings allow for an excellent grip on the finger, while the adhesive lower wings close perfectly under the fingertip, correctly maintaining the C-curve and ensuring excellent stability throughout the reconstruction process.