Damascus 5.5" Silver D/A OTF Automatic Knife Gold Dagger Serrated. Overall Length: 5.5 inches, Blade Length: 2.125 inches comes with a pocket clip and belt sheath. Deploy the blade with a push of the button forward and retract the blade by pushing the button backwards. This knife has a built in safety so if the blade hits anything on the way out it will pop off track. You have to pull on the blade to re engage it. This knife can be easily cleaned and re adjusted if needed.