This is a pair of optional Front A-Arms for the TRA Electric Stampede and Rustler. Composite nylon construction, black in color Direct fit hop-up requires no model modification for installation Two Front A-Arms Installation following the model manual Length: 3.31" (84mm) Width: .88" (22.5) at narrowist 1.52" (38.5mm) at widest For the blue version of this part order RPMC8246 kpm12/14/2006 &