Claw Knuckle Duster and Four-Finger Ring for Martial Arts Protection

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