Thank you for viewing our products. This is a keyed hitch lock pin that can be attached to cycle carriers, shackle hitches, hitch members, hitch balls, hitch carrier cargo, trailer hitches, and more. This is the perfect item for those considering theft prevention. 【Product Details】 ■ High-quality materials Made of durable steel and stainless steel. It is rust-resistant and abrasion-resistant, and can be used for a long time. ■ Compatible with a wide range of applications Compatible with many vehicles such as trucks, small trailers, boats, and passenger cars. Also recommended for those looking for a 5/8 inch lock pin, such as for personal watercraft, jet skis, bass boats, and bicycle towing. ■ Easy to lock and easy to use Simply press the switch to lock. No complicated operations are required. 【How to Unlock】 Open the rubber cap Insert the key and turn it clockwise The lock is released Separate both ends of the pin to use 【Product Contents】 ・Hitch lock pin x 1 ・Dedicated key x 2 【Specifications】 ・Total length: Approximately 17.5cm Diameter: Approximately 3cm Weight: Approximately 460g ・Color: Silver ・Material: Stainless steel ※When shipping, we will carefully protect the product with cushioning material and pack it carefully while wearing gloves.