The Papa Delta was designed by Leo Espinoza with input from a retired undercover police/intelligence officer. So the thought process is specifically for people who need to be able to wear the knife completely undetected
|  Knife Type: Fixed Blade  Overall Length: 5.88"  Blade Length: 1.63"  Cutting Edge: 1.63"  Secondary Edge: 1.63"  Blade Thickness: 0.130"  Blade Steel: 1095 RC 56-58 |  Blade Finish: Midnight Bronze  Handle Style: Skeletonized  Knife Weight: 1.1oz  Weight w/ Sheath: 1.8oz  Sheath Included: Yes  Sheath Material: Black Kydex  Designer: Leo Espinoza |