Harley Davidson Double Ply Spiked Leather Dog Collar, 1.5 x 24 Inches, for Big Dogs Available from 10 inches to 26 inches. As the size of the Harley Davidson Spiked Leather Dog Collar decreases, so does the width of the Dog The 10 inch through the 20 inch Dog Collars are single spiked and studded and the 24 and 26 inch Spi