Description: Material: The trailer arm is made of aluminum alloy, ensuring its longevity and reliability even under harsh conditions Ideal Tool: This trailer arm with double pin key locks is an essential accessory for towing vehicles Adjustable Size: The trailer hitch features an adjustable size from 2 to 4 inches, making it versatile and suitable for various towing needs Product Dimensions: The L-shaped accessory measures 20cmx16.6cmx6cm/7.87inchx6.54inchx2.36inch, providing a compact yet solution for your towing requirements Package Contents: Each purchase includes set of the aluminum alloy adjustable trailer arm, complete with double locks for added security and stability during use Specification: Material:Aluminum Alloy Size Chart: 20cmx16.6cmx6cm/7.87inchx6.54inchx2.36inch Package Includes: 1 Set Car Trailer Arm Note: Please allow slightly errors 1-2cm differences due to manual measurement.