28mm cutter is a good-sized cutter for quilters who need to negotiate gentle curves or require more control to cut smaller shapes and cutting through multiple layers of fabrics.
My favorite rotary cutter - Diary of a Quilter - a quilt blog
60mm Rotary Cutter with Soft-Touch Handle
OLFA Quick-Change Rotary Cutter 28mm
Olfa Quick Change Rotary Cutter RTY-2/NS (45mm)
Rotary Cutters & Blades for Effortless Fabric Cutting - Morris Works
OLFA 28mm RTY-1/C Quick-Change Rotary Cutter –
Olfa Rotary Blade 28mm - 2 pack – Miller's Dry Goods
Olfa Part No. This rolling Olfa razor blade is perfect for all of your sewing and quilting needs. This OLFA® rotary cutter is a combination of
OLFA RTY-1/DX 28mm ROTARY CUTTER SEWING & QUILTING CRAFT CUTTER – MADE IN JAPAN
OLFA 28mm Rotary Blade Refill- 10 per Package : Arts
OLFA RTY-1/DX 28mm ROTARY CUTTER SEWING & QUILTING
Olfa Splash Rotary Cutter 45mm
Olfa Rotary Cutter - Size 28mm