The Collins speculum has a deceptively simple design. A single screw is all that's needed to push that hole wider and wider. We only use one supplier for consistent quality and finish avoiding the imperfections which feature in lesser speculums.
Sizes:
Medium: 10cm long / 4cm wide.
Large: 10.5cm long / 4.5 cm wide.
Please note: This product is not intended for the diagnosis, cure, mitigation, treatment or prevention of any disease. It is not a dietary supplement, it is not a drug, and should not be used for any medical purposes.