Surgical Scalpel Blade No. 21
The No.21 blade is a larger version of the No.10 with a curved cutting edge and an unsharpened back edge.
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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 & 6B.
Disposable, non-sterile, carbon steel, foil of 5 packets of blades or box of 100 blades.