Since 1901, Boyt has worked hard to provide rugged and dependable equipment, accessories and clothing for all hunting and shooting enthusiasts. All of their products are carefully crafted with durable materials to withstand even the most challenging conditions for years of enjoyment. It is not easy setting the standard for quality, but it is a role that they have grown accustomed to after more than 100 years in the business. Features: The right tool to install a 1-point sling adapter plate Three lugs to fit buffer tube castle nut Adequate torque energy to install castle nut Safely remove buffer tube castle nut Soft, easy to grip handle Dark gray phosphate finish Tuff-steel construction Works with the M-4, CAR-15, carbine