Marbig cutter knives are metal knives with replaceable blades. They are ideal for a boundless variety of craft uses including card making, template and pattern cutting, working with photographs, making scrapbooks, model-making and so on | Medium and heavy duty cutters with 2 spare blades | Blades are easily replaced by snapping off and auto lock for safety | Heavy duty wheel lock cutter - features a wheel lock for added security | 2 spare blades included | | Replacement blades available - 7004893 MARBIG CUTTER KNIFE REPLACEMENT BLADES 9MM PACK 6