Choose OLFAs most popular sized rotary blade for all your cutting needs.
The OLFA RB45 45mm tungsten steel rotary blade utilizes over 40 years of craftsmanship to provide a razor-sharp blade that is ready to take on any project.
This blade merges the power of premium tungsten steel with skilled sharpening to create a blade that can cut up to eight layers of cotton fabric in a single pass.
Make this blade your choice for cutting paper, fabric, leather, and more.
For optimal cutting and blade life, team this rotary blade with an OLFA self-healing rotary mat.
Independent testing confirms when using an OLFA rotary blade on an OLFA cutting mat, you can achieve up to 470 more yards of cutting than the leading competitive brand.
Available in packs of one (1), two (2), five (5), or ten (10).
Each blade pack comes in a convenient plastic case for easy storage or disposal
Compatible with most 45mm rotary cutters, including OLFA RTY-2/C quick-change rotary cutter, RTY-2/NS quick-change rotary cutter, RTY-2/G straight handle rotary cutter, and RTY-2/DX ergonomic rotary cutter.