This character is a Other Symbol and is mainly used in the Han script.
The glyph is a compatibility version of the glyph Glyph for U+624BCJK Unified Ideograph-624B. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+2F3F offers a line break opportunity at its position, except in some numeric contexts. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Radical 64 or radical hand (手部) meaning "hand" is one of the 34 Kangxi radicals (214 radicals in total) composed of 4 strokes.
When appearing as a left-side component, this radical is almost always written as 扌 (notable exceptions: 拜, although Japanese shinjitai analogizes it to 拝; and dialectal characters 掰, 搿), while it becomes a vertically compressed 手 when appearing as a bottom component.
In the Kangxi Dictionary, there are 1203 characters (out of 49,030) to be found under this radical.
手 is also the 80th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China, with 扌 being its associated indexing component.