For Models: 1800NC, 1802NC, 1803NC, 1804NC, 1900NCP, 1902NCP, 2300NCP, 2302NCP, 3500NCP, 3502NCP, 7100H, 7102H, YS500, 1500 Series, 1600 Series, 1700 Series, 2200 Series. 1 inch collar strap Square buckle collar 30 inches long
For Models: 1800NC, 1802NC, 1803NC, 1804NC, 1900NCP, 1902NCP, 2300NCP, 2302NCP, 3500NCP, 3502NCP, 7100H, 7102H, YS500, 1500 Series, 1600 Series, 1700 Series, 2200 Series. 1 inch collar strap Square buckle collar 30 inches long