Diamond OTF Dual Action Automatic Knife Black 2 Tone Single Edge'Diamonds In The Rough' D A OTF Automatic Knife Black 2 Tone Single Edge. The aluminum alloy handle has been textured with a diamond design right in the center on each side. A thumb slide is provided and ribbed for good traction so your thumb will not slip onto the blade. The pommel features a glass breaker just in case of an emergency. A two tone blade comes in a drop point style with a single edge and made from stainless steel. Ejecting and