Spyderco Delica4 Green ZDP-189

length overall 7 1/8" (181mm) blade length 2 7/8" (73mm) blade steel ZDP-189 length closed 4 1/4" (108mm) cutting edge 2 9/16" (65mm) weight 2.5oz (71g) hole diameter 1/2" (13mm) blade thickness 3/32" (2.5mm) handle material FRN Spyderco Delica4 ZDP-189 The knife industry is constantly pushing the envelope searching for, and testing, higher performance blade steels. ZDP189 is rapidly asserting itself as an up-and-coming steel. It's a powdered metal made by Hitachi that has phenomenal chemistry with 3% carbon. The hardness is around 64Rc and edge retention is exceptional. This solid ZDP-189 steel blade is the hottest, hardest and highest performing steel in the knife industry today. Because it is such a high performing product, there are limited quantities available. AVAILABLE IN A PLAINEDGE ONLY