This 45mm cutter has an innovative ambidextrous design that ensures precise cutting along a ruler in either your left or right hand. *Product cannot to be sold on any 3rd Party site such as Amazon, Etsy, Ebay or any other 3rd Party sites.* In addition, the unique and easy magnetic blade replacement means you’ll never drop a blade again! Replacement blades available in packs of 1 blade or 5 blades.