Do You Need a Rotary Cutter for Regular Fabric Projects?
Keep adequate shears or a cutter you own. Consider the yellow 45 mm OLFA RTY-2/DX only for a recurring fabric-cutting gap, with the supplies and space to use it.
Keep your fabric shears or existing rotary cutter if they already handle the projects you make. Consider another cutter only when recurring fabric cutting leaves a specific gap, and you have a plan for the separate mat, ruler and working space.
This guide covers the yellow and black OLFA RTY-2/DX, model #9654, with a 45 mm blade, sold as one cutter. It is a tool to consider for an established fabric-cutting routine, not a reason to start buying a whole setup.
Start with the fabric work you repeat
Think about the pieces you regularly prepare for sewing or quilting. Are you planning repeated mat-based cutting, or do suitable shears already cover the shapes and occasional cuts you need? If an owned cutter does the job, a different handle alone is not a reason to replace it.
Write down what your current method cannot cover. If the answer is only a project you might try someday, wait. A small clothing repair does not by itself establish a need for a rotary-cutting setup.

Plan the supplies and table space together
For mat-based fabric cutting, check a suitable rotary-cutting mat and any ruler your project calls for. Confirm that your intended fabric, blade and supporting supplies suit the work. Treat the mat, ruler and fabric as separate planning items; do not assume the linked one-cutter listing is a kit.

Measure the space for your chosen mat and the fabric you expect to lay out, rather than judging the setup by the cutter's small footprint. On a shared table, also decide where the mat, ruler, cutter and fabric will go between projects. If those supplies or the working space are unresolved, settle that before adding the tool.
Check upkeep before choosing this model
OLFA provides model-specific blade-compatibility information and blade-change instructions. Review those requirements before buying, including the replacement blades you would use. Do not infer a blade-change method from a product photograph.

The angled view below shows the blade in one visible position. It does not show a motion sequence or establish how the controls work. Read the supplied instructions for handling, use and storage; this guide does not replace them.

Buy for a defined gap or keep what works
Consider this cutter when regular fabric preparation calls for a mat-based method that your present tools do not cover, and the material, supplies, workspace and upkeep checks are settled. Keep adequate shears or an existing cutter. Wait when you cannot yet name the job or complete the setup.
If those checks point to this version, view the OLFA RTY-2/DX on Amazon. Confirm yellow and black, 45 mm, RTY-2/DX / #9654 and one cutter before ordering, rather than a different size, handle style, color or bundle.
This buying guide uses the selected listing and OLFA product information. We have not tested the cutter. The four product photos are original listing images; the diagram explains a buying decision, not cutting technique.