Genuine 1.6" Wide Thick Leather Studs Dog Collar Brown. Fits 19"-24" Neck, Rottweiler, Pit Bull. Strong and durable 3/16" thick real leather. Light, elegant and not stif. Nickel-plated hardware and D-ring. Contrast color thick waxed thread stitching. Overall length 27", will fit 19"-24" neck. 1.6" wide double layer genuine leather 4 metal enforced adjustment holes