Master Collection Double Dragon A/O Fold Knife SS Assist Black PS hawkbill blade Blue Handle. Made using a 440 stainless steel blade material this Folding Knife from the professional knifemakers at Master Collection will be long lasting require less sharpening and have incredibly reliable steel due to the lack of a need for a separate spring. For a great way to slice and dice your way to success choose the Master Collection Double Dragon A/O Folding Knife. Specifications for Master Collection Double Dragon A/O Fold Knife: Manufacturer: Master Collection Blade Length: 3.5 in Closed Length: 6 in Blade Material: 440 Serrated: Partially Serrated Knife Application: Folding Blade Blade Finish: Black Coated Steel Quantity: 1 Package Contents: Master Collection Double Dragon A/O Folding Knife Master Collection MCA004BL: Double Dragon A/O Fold Knife SS Assist Black PS hawkbill blade Blue Handle