Radical 41

Radical 41 or radical inch meaning "thumb" or "inch" is one of the 31 Kangxi radicals composed of three strokes.
In the Kangxi Dictionary, there are 40 characters to be found under this radical.
寸 is also the 31st indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.

Sinogram

The radical is also used as an independent Chinese character. It is one of the kyōiku kanji or kanji taught in elementary school in Japan. It is a fifth grade kanji.