Brass Knuckles is from the movie Constantine.
The Constantine brass knuckles are actually used in a scene where John confronts half-demon Balthazar. John uses the holy brass knuckles to knock the demon scourge's face off!
This is the "medium" size, and the four ring sizes are approximately 22 mm. If your fingers are bigger than this, then don't buy this "medium" size!
Length 110 x 65 x 12 mm
Weight 220 g