Black Leather Spiked & Studded Dog Collar for Pit Bull, Boxer - for 17"-20" Neck - 2" Wide - 31 Spikes 52 Studs By Indiana Bones (TM) Pliable, Durable Black Leather Collar Spikes made of Nickel-plated material Total length = 22.5", designed to fit dogs with neck sizes 17" to 20" Double layer 2" wide Black Leather Strong D-Ring and 5 adjustment holes for easy fitting