Small Pole Knuckle Duster Boxing Training EDC Tool

Material: zinc alloy
Size: bottom length 87mm finger length 96mm height: 44mm thickness: 10mm finger hole diameter: 25mm (finger hole is oval)
(See detailed drawings, dimensions are manually measured, if there are deviations, please refer to the actual prevail)
Weight: about 78g

The feature of this knuckle is mini-portable, its size will be smaller than that of the ordinary one, and it is very suitable for a pocket backpack. It can also be hung as a pendant on the key chain for self-defense or window breaking when necessary.