The no. 21 is a large version of the no. 10 blade, with a curved cutting edge and a flat, unsharpened back edge. Larger than the no. 20 but smaller than the no. 22, the no. 21 fits handles 4, 4L, 4 graduated, and 6B.
This product has met the following criteria:
 | Sustainable Product Manufacturing Award | - Made in a facility which runs on >90% renewable energy
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To find out more about our Sustainability Attributes, click here.