Grohmann Trout & Bird Knife Fixed Blade Knife 4in Elliptical Blade Rosewood Handle GR2. Specifications for Grohmann Trout & Bird Knife Fixed Blade Knife: Manufacturer: Grohmann Blade Length: 4 in Overall Length: 8 in Blade Material: Steel Handle Material: Leather Handle Color: Rosewood Sheath Material: Leather Package Contents: Grohmann Trout & Bird Knife Fixed Blade Knife Grohmann GR2: Trout & Bird Knife Fixed Blade Knife 4in Elliptical Blade Rosewood Handle