For an increase in security, we recommend that you try our high-quality Position Safety Locks. These locks are designed to help keep certain parts of the trailer reliably locked in place. Each one is engineered from high-quality steel only for a stronger grip and longer lasting durability. We carry a wide range of different types of safety locks that can be used for a variety of different applications. We have 5/8” by 4” and 3/4" by 4” Snap Lock Pins with and without washers, 5/8” by 4-1/2” Pin Lock Hitch Pin with hair pin clip, 5/8” by 4” Angled Lock Pin with hair pin clip, 5/8” by 4” Left and Right Pretzel Stay Lock Pins, and 5/16” and 3/8” Small Safety Snap Lock Pins for securing wheels in place. We also have short and long Spring Locks available that can be welded directly onto your carrier if you want. They are equipped with a wide ring for easier attachment purposes. There are replacement parts available as well for these locks, including the short spring, long pin with ring, and drive pin.