NOW IN BLACK COLOR* Hardware: 4 X M2.5 x 6mm screws Features: CNC machined solid brass Easy to install over 12mm hex Fit inside 1.9 beadlock wheels Fits SSD Pro Aluminum Knuckles for SCX10 II (SSD00144, SSD00148) Fits SSD Aluminum Rear Lockouts for SCX10 II Weight: 56g (2 oz) each (112g total)