These are the Traxxas Countersunk 4 x 12mm Screws. FEATURES: Metal construction Black in color INCLUDES: Six 4 x 12mm Countersunk Flathead Hex Screws REQUIRES: Installation on the vehicle tlw 8/22/07 ir/jxs BOX DIMENSIONS: 2.50" W. X .50" H. X 3.13" L. BOX WEIGHT: .03 LBS.