This is the Brake Yoke w/Pins for the Traxxas Revo. It is use on the Center/Front Driveshaft Assembly. FEATURES: Plastic Brake Yoke Steel Brake Pins(each knurled on one end) Steel Screw Pins YOU WILL RECEIVE: One Brake Yoke Two Brake Pins One Screw Pin REQUIREMENTS: Assembly to the vehicle SPECIFICATIONS: Brake Yoke Outer diameter: 18.5mm (.73 ) Brake Yoke Center Key Size: 4mm x 6mm (.17 x.24 ) Brake Yoke length: 24mm (.95 ) Screw Pin Size: 4mm x 15mm (Threaded length-5mm) Brake Pin Size: 3mm x 20mm (.12 x.8 ) COMMENTS: Brake Yoke Center is keyed to have a positive fit to the shaft. NNA 8/16/04 ir/jxs &.