Olfa Rotary Replacement Blades - 45mm 
 
Rotary Blades - Straight Edge 45mm
These replacement blades are designed for OLFA® rotary cutters used for quilting, sewing and general crafts. This OLFA® rotary blade cuts up to six layers of fabric at a time, saving you precious time. 
 
Good for: cutting strips and multiple layers at once. Cuts fabric, paper, tarp, vinyl, upholstery and more.
 
OR
 
Rotary Blade - Pinking Cutter 45mm
If you want to keep the edge of your fabric from raveling, you need to cut it with a pinking blade. This OLFA® blade puts those familiar "teeth" on the edge of the fabric, for a look that&s both decorative and functional. For use only with the OLFA® 45mm deluxe rotary cutter (RTY-2/DX). (PIB45-1, #9456US)
 
Use:
Cutting Leather | Rubber | Cardboard | Rope | Paper | Carpet | Fiberglass | Acetates | Linoleum | Plastic
 
WARNING: OLFA blades are extremely sharp. Handle with care. Wear safety goggles. Always be alert and attentive when using a cutter or knife. Take the time to fully learn the correct use and limitations of any cutter. Never assume that you know how to properly use a knife. Store knives and blades in a safe place.Keep out of reach of children !