OLFA 45mm Deluxe Ergonomic Rotary Cutter

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OLFA is committed to practical and safe hand-held cutting tools.

The Olfa deluxe ergonomic 45mm rotary cutter is perfect for sewing, quilting and craft projects. Cuts cutting strips and multiple layers at once. Cuts fabric, paper, tarp, vinyl, upholstery and more. The ergonomic handle with anti-slip rubber grip eliminates hand fatigue. The squeeze trigger allows the blade to self-retract for safety. It can handle up to six layers of thin materials. Includes split blade cover for additional safety. Use CUT-30, CUT400 or CUT50 for replacement blades.


  • Ergonomic handle
  • Cut up to 6 layers of material
  • Blade self-retracts
  • Replacement blades available

Product Specifications

Brand: Olfa®
Units: Each
Size / Dimension: 45mm
Material: Steel

Making Clean Cuts with a Rotary Cutter

To make the best possible cuts with your OLFA Rotary Cutter, always be sure that the blade is sharp and free of nicks or other damage. If you find that your rotary cutter is not cutting through the material completely or is skipping sections, it is most likely the sign of a damaged or dull blade. Cut while standing whenever possible, moving the blade away from yourself and applying light, even pressure for the duration of the entire cut. Use a Self-Healing Cutting Mat to protect your cutting surface and keep rotary blades sharp for longer, and cut along the edge of a Ruler to ensure straight cuts.

OLFA Rotary Cutters on Green Cutting Mat on Table

Should I Use Scissors or A Rotary Cutter?

Choosing between Scissors and Rotary Cutters is a much-debated topic—but the answer depends mostly on the type of project you intend to use it on! Both are excellent fabric cutting tools with their own advantages. Rotary cutting tools are great for making very clean cuts, and cutting a lot of material quickly. They also allow you to cut through multiple layers of fabric at once. With scissors or shears, you gain the advantage of more control, which is great for cutting small, tight corners or precise angles and curves. Aside from these distinct advantages, which cutting tool is right for you is largely a matter of personal preference and comfort.

OLFA Rotary Cutters with Replacement Blades on Light Wood Maple Work Table

Changing an OLFA Rotary Cutter Blade

Keeping a sharp blade on an OLFA Rotary Cutter is extremely important to cutting fabric cleanly and safely. For best results, change the blade of your OLFA Rotary Cutter at the beginning of every new project or more often with frequent use. To change an OLFA replacement blade, unscrew the outermost piece and remove the other components. Re-assemble them in the same order, switching out the used blade for a new one. Make sure that the washer is facing so it curves outward. Tighten the outer piece until snug but not too tight, then dispose of the used blade safely by placing it in the opened packaging and taping it shut.

Can this rotary cutter be used left handed?
Rosalind M.
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Yes it was designed for left and right handed use.
Lisa P.
  • logologo Staff
Does the blade lock in and out.
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Hi Karon, yes, the red button will allow you to lock the blade. Thanks for your question,.
Lisa P.
  • logologo Staff
Does the OLFA 45mm Deluxe Ergonomic Rotary Cutter Stock # CUT33 work with 45 mm Pinking blades as well as 45mm standard blades?
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Yes, the CUT50 (pinking blade) and the other standard blades would work with the CUT33.
Lisa P.
  • logologo Staff

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March 16, 2019
My favorite rotary cutter

I like the design of this rotary cutter the best. It has a thumb rest on the top, and unlike others with thumb rests, you cannot possibly cut yourself with this one. I have other Olfa cutters, and other brands, but this one is my favorite.

Jennifer W.