Better still, the blade sharpener works on both 45mm & 28mm rotary cutter blades. Works with blades that have the standard 3 indent hole (as seen on the packet), doesn't work on blades with an entirely circular hole. Restores your blades to perfect working order, allowing you to cut clean professional lines with previously unusable rotary cutting blades. Revitalise your stash now!. You don't even need to touch the blades! Blades Sharpener comes complete with a magnetic stick that can be used to stick to the blade for insertion or removal. Ensures quick and safe use. How does it work? Simply place the Rotary Cutters Blade into the centre of the device and close. Rolling the Sharpener along a flat surface sharpens the blade edge to revitalise the blade. One of the biggest constant costs in Quilting, Dressmaking and Sewing is constantly replacing dulled rotary cutter blades. This Blade Sharpener eases the issue, saving you time and money!.PRODUCT DESCRIPTION The Quilted Bear bring you their new Rotary Blade Sharpener. If you go through lots of blades, or even just want to make the blades you do use last even longer, this is the perfect product for you. Take dull Rotary Cutter Blades and revitalise them in 3 simple steps. Place the dull blade into the sharpener, roll the sharpener along a flat surface and remove it to sharpen blade. Restores the dull blades into perfect working order, leaving you free to keep cutting for longer! Useful magnetic stick is built into the sharpener and can be used to safely insert and remove blades. Takes away the potential of cutting yourself on a newly sharpened blade. Better still, the blade sharpener works on both 45mm & 28mm rotary cutter blades. Works with blades that have the standard 3 indent hole (as seen on the packet), doesn't work on blades with an entirely circular hole. Sharpening two different blade sizes with one tool gives the device great versatility. Why not pair it with our Quilted Bear rotary cutter blades? The supreme pairing for long lasting blades with a precision cut.