These leg irons are made of durable stainless steel, to avoid rust, and are double locking. The double locking mechanism is an excellent feature that, once engaged, not only prohibits the irons from continuing to tighten down on the ankles, but also makes them harder to pick open.
In addition, the heavy duty 17" welded chain makes these babies both kick-proof and run-proof.
Whether they're for offical use or just for fun, these leg irons will do the trick. Each pair comes with two standard leg iron/handcuff keys.