These bumpers are made of 6061-T6 aircraft quality aluminum then are CNC machined to a perfect fit. They are then Mil-spec hard anodized for a finish that lasts and can take some abuse. YOU WILL RECEIVE: 1 FRONT PURPLE ANODIZED REVO BUMPER and 1 REAR PURPLE ANODIZED REVO BUMPER. Fits the Revo 2.5 Revo 3.3