This Keyed alike 3 piece Weigh-Safe lock set features a WS22 universal coupler lock that will help you secure your trailer while it’s parked. The hardened steel dual shank lock is strong and durable. Fits a wide range of trailer couplers. The WS11 Adjustable Trailer Coupler Latch Lock is 4-1/2" long and is 1/4" diameter. Adjustable to fit a wide range of coupler latches. It is made of stainless steel. The water tight cap provides additional protection from moisture and dirt. Hitch Locking Pin fits all 2", 2.5", and 3" receivers. The pin portion is 3-1/2" long, with a diameter of 5/8".
However, if your 3" receiver uses thicker material that surpasses 3-1/2", this hitch pin will not fit.
1 - WS22 Universal coupler lock for when the trailer is sitting unattended
1 - WS11 Adjustable coupler latch lock for when the trailer is being towed on the ball