Created with younger block printers in mind, Linozip Safety "pull-type" Cutters are made of fine-quality steel with hand-ground edges to reduce the risk of cutting injuries. Perfect for the classroom, they perform beautifully on soft block surfaces but are also suitable for use with traditional linoleum. These blades are designed for right-handed users and fit Speedballs Linoleum Cutter Handles (sold separately). - Speedball Linozips - V.