•Patented New lock-way solution：Don’t need key to close pin into lock Head，Easy to operate.
•Performance: Open the lock using the keys. Pin will pop-up automatically and smoothly
•5/8"pin fits in 2"&2-1/2" receiver tubes,extra long pin length:3-1/2"
•Material/Surface: Carbon Steel/Chrome
•Included Two Flat key and an all-weather rubber key slot cap