KA-BAR Knives Becker Harpoon, Fixed Blade Knife, 4.5 Blade Length, 9.375 Overall Length, Drop Point, 1095 Cro-Van Steel, Matte Finish, Black, Includes Plastic Sheath BK18BK The KA-BAR BK18 Becker Harpoon now in black! The BK18BK is made with 1095 Cro-Van steel. Featuring black Ultramid handles and an American-made black Celcon sheath. Perfect for camping" hiking" and hunting.