Dogs My Love Real Leather Spiked Dog Collar Spikes, 1.85" Wide. Fits 22"-26" Neck, XLarge Breeds Great Dane, Mastiff Strong and durable genuine leather collar. Nickel-plated hardware, double pin buckle, and heavy duty D-ring. Trimmed with thick contrast color waxed thread. Overall length 29", will fit 22"-26" neck 1.85" wide 3/16" thick genuine leather 4 metal enforced adjustment holes