Designed for sharpening straight blade scissors. Restores blades to their original sharp cutting performance. Ergonomic handle design with grooves on top to fit natural holding position. 2-way to use design (vertical and horizontal). Non-slip grip base enhances stability. Easy to use for right and left-handers. Can be mounted to a workbench or other flat surface with the built-in holes (screws not included). Not suitable for curved, serrated and pinker blades.