Precision Thickened Brass Knuckle Duster Boxing Self-Defense Gear

Material: Brass
Size: 107mm * 77mm * 16mm
Weight: about 520g

Seiko cast solid thickened brass, adopting one-piece molding process and ingenious design of big finger hole perfectly fits all kinds of hand shapes to ensure comfortable grip. Its strong and durable feature is enough to avoid challenges and easily remove obstacles.