Single Finger Brass Knuckles SFK 03 Polished

Dimensions:
Material - Brass
Finish - Polished
Height - 2 3/64" (52 mm)
Width - 1 15/32" (37 mm)
Thickness - 43/64" (17 mm)
Finger hole diameter - 1" (25 mm)
Weight - 5.3 oz (150 grams)

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real brass single knuckledusters price in the USA

Special hole allow you to use this product as a Keychain.
You can also thread a 550-type paracord lanyard through the hole.
Nice gift for Him.

DC Craft official website is the best place to buy original EDC-products at manufacturer's price.