Reddit reviews Weigh Safe WS4-2, 4" Drop Hitch w/ 2" Shank/Shaft, Adjustable Aluminum Trailer Hitch & Ball Mount w/ Built-in Scale, 2 Stainless Steel Balls (2" & 2-5/16") and a Double-pin Key Lock
We found 1 Reddit comments about Weigh Safe WS4-2, 4" Drop Hitch w/ 2" Shank/Shaft, Adjustable Aluminum Trailer Hitch & Ball Mount w/ Built-in Scale, 2 Stainless Steel Balls (2" & 2-5/16") and a Double-pin Key Lock. Here are the top ones, ranked by their Reddit score.
PROPRIETARY TONGUE WEIGHT SCALE: Our built in scale makes balancing your trailer efficient and hassle free by automatically providing a measurement every time you couple your trailer, so you will automatically know your load needs to be adjusted providing unsurpassed safetyADJUSTABLE BALL MOUNT: This 4 Inch drop hitch is a dream come true, allowing you to tow trailers of different heights with the same vehicle. The drop hitch adjusts in 1" increments so you get the perfect fit every time and it has and has a double (lock-in) pin for extra support and strength. Fits 2” ReceiverHEAVY-DUTY TOWING CAPACITY: Made of 16 lbs. of solid aircraft grade aluminum this hitch is as tough as they come, with a towing capacity (GTW) of 10,000 lbs. on the 2 5/16" ball and 8,000 LBS on the 2" ball, and a 1,500 lbs. max tongue capacityTWO CORROSION RESISTANT STAINLESS STEEL HITCH BALLS: Have peace of mind knowing you can switch from a 2" ball to 2 5/16"EVERYTHING YOU NEED TO GET ON THE ROAD: This adjustable trailer hitch mount has it all; a drawbar, slider with gauge, 2" ball, 2-5/16" ball, ball retaining pin, lock plate key assembly, dust lock cover and 1 year warranty. Hitch locking pin sold separately
In the US, on most vehicles, it takes removing one bolt usually called a hitch pin and takes about two seconds to take off. Seeing as the one in the OP can easily cost $200+ he either has a locking pin that needs a key, or he just wants his shit stolen.