* Easy blade change for safety and efficiency. For both right and left-handed users.
* Material of blades are high quality alloy steel.
* Perfect to work with Circle-N-Slash Ruler
(No. MCS23) for circlecutting from 5cm to 23cm.
* Perfect for quilting, sewing, and craft projects.
* Large disc :
for circle cutting, great to work with MCS23.
* Small disc :
for straight cutting on multiple layers of fabric, paper, and more.