RC enthusiasts, if you're running a Yikong DF7 Desert Fighter crawler car, these aluminum alloy sealing plug sleeves are a solid upgrade for your rear axle system. Made from durable aluminum alloy, these inserts provide better sealing and protection for your axle components compared to stock plastic parts. Each pair weighs just 13.5 grams, so you're not adding significant weight to your rig. The black finish looks sleek and professional, and the precision machining ensures proper fit without modifications. Perfect for preventing dirt, debris, and moisture from getting into your axle assembly during those intense off-road sessions. Whether you're bashing in the backyard or competing in crawler events, these metal sleeves offer improved durability and performance over the original parts. Installation is straightforward if you're comfortable with basic RC maintenance - just remove your old sleeves and press these into place. A simple upgrade that can extend the life of your axle components and keep your DF7 running smoothly through tough terrain.