Feature 1Enhanced Stability: The trailer axle stopper ensures stable locking with dual magnets integrated in rubber surfaces, ensuring precise trailer axle placing. Screw fixed magnets for convenient driving experience. 2Sturdy Construction: The slide stopper is made of premium carbon steel material for excellent durability and reliability. Features welded handle and pins for consistent performance in harsh conditions. 3Easy Axle Alignment: Achieve accurate trailer axle alignment effortlessly without a spotter. Simplifies the process to balance weight between drive and trailer axles for smoother driving. 4User Friendly Design: The lock pin stopper tool allows for easy insertion of locking axle holder, releasing the handbrake, and sliding until it touches the holder. Streamlined process for fast and simple axle adjustments. 5Time Saving Tool: Ideal for semi truck drivers struggling with trailer axles. Saving time and hassle in inclement weather conditions or tight spaces. Essential for efficient and convenient semi truck drivers.Item Type: Magnetic Trailer Axle Stop DeviceMaterial: Carbon SteelFitment: Suitable for Trailer, Refrigerator Trailer, Van, Semi Truck .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x MagneticTrailerAxleStopDevice1 x User Manual