1.Iron lock body,black plastic powder painted,waterproof and environment protective2.Brass cylinder,high strength,high accuracy,anti-rust,more durable3.3steel keys4.Steel shackle with 2 waterproof rings to resist dust and water,short shackle or long shackle available,stainless steel shackle spring,anti-rust,more durable5.Brass tongue,more durable,32mm above with 2 brass tongues,double locking6. ...