Pro-Line brand pair of Pro-Line 12mm Front Aluminum Hex Adapters for the Associated B4.1 FEATURES: 7075 aluminum construction, blue in color Fits the Associated B4/ B4.1 buggies with the 12mm hex conversion- ASCC9880 Steering Block Hex and ASCC7496 Front Axle Hex Clamps onto front axles and will not fall off when changing tires YOU WILL RECEIVE: Two 12mm Front Hex Adapters Two 1-72 x 3/16 Socket Head Cap Screws jxs 01/09/12 ir/jxs