Spyderco Delica Full Flat Grind Blade, released in 2010. The blade is VG10 steel with a thinner, refined cutting edge, lightweight FRN handles are available in different colours, with nested, skeletonised stainless handle liners.

Spyderco Delica 4 Blue FRN Handle Flat Grind Blade £70.00	Spyderco Delica 4 Grey FRN Handle Flat Grind Blade £70.00
Spyderco Delica 4 Green FRN Handle Flat Grind Blade £70.00	Spyderco Delica 4 Foliage Green G10 Handle Flat Grind Blade £152.00 (Out of Stock)
Spyderco Delica 4 Black FRN Handle Plain Edge Blade £70.00 (Out of Stock)	Spyderco Delica 4 Green FRN Handle ZDP-189 Steel Blade £105.00
Spyderco Delica 4 Stainless Handle £80.00	Spyderco Delica 4 Wave Hook Opening Blade £75.00
Spyderco Delica 4 Black FRN Handle Part Serrated Edge Blade £70.00