M21-04 Plain Edge Black G-10 handles. Carson Design The swedged and recurved blade is ground to a spear point shape, using premium 4" stainless steel in non-reflective frost finish to offer superior edge retention. The grind incorporates a false top edge and deep belly, yet retains a full width central spine for most of its width for maximum strength. Blade length: 4". Closed length: 5 3/8".