Talk about the "jaws of life". This huge Equine Vaginal Speculum is one of the biggest speculum devices we are currently offering. You are looking at a device that was originally designed for large animals. Now you can tame your own wild beast at home. This speculum is made of surgical stainless steel that can be easily sterilized to retain long years of usefulness. It measures 17" in length from end to end with a maximum spread of 4". The length from end to end of the speculum blades is 13.75".