The Federal hubguard is a forged (stronger than CNC machining) alloy guard designed with a smaller surface area touching the dropout to allow the rear wheel to be slammed further into the dropout. This guard will fit almost all rear hubs on the market and comes with a laser etched logo.
Spec:

Material: 7075-T6 Forged Aluminium
Size: 14mm
Weight: 2.4 oz
Colour: Black