18" groom loop. Dede uses this on her groom table arm with most pets. Depending on the pets height, she may use it also on the large table. She rarely needs the longer 24" but she has both, especially for bathing. Some pet parents without a table have found this tool useful in looping around the chair they are using or their own home products to help the pet stay more still for brushing and grooming at home. The fast pinch and move around the neck, makes it her first choice for groom loops.