The Protech TR-4.3 is fully named the "Tactical Response" knife. This is a big knife for big jobs. The blade is a full 4 inches of 154CM steel and has been DLC coated for a non reflective look. The handles are aluminum and have been anodized as well. The knife has a safety switch on it in order to lock the blade safely closed when not in use. This is a hard working knife.
This Pro Tech TR-4.3 has a black handle and a black blade. This knife comes with a nylon sheath for belt carry or it can be attached to a tactical rig.
Please check your local laws regarding the purchase and carry of automatic knives.