Upgrade your TRX4M crawler with these sleek brass differential covers! Made from CNC-machined brass with a black coating to prevent rust and wear, they're way more durable than the stock plastic parts. Each cover weighs about 12 grams, adding some heft to your axles to lower the center of gravity and improve stability on tricky trails. They fit both front and rear axles on TRX4M models like the Defender, Bronco, and K10 High Trail. The set includes two covers (one for each axle) and 8 mounting screws. Easy to install and gives your rig a tougher, more premium look. Perfect for RC enthusiasts who want better performance and a custom touch.