Cervical Dilators, OS Locator. Increases in size from 1.75mm – 3.8mm in width. With a spand of 2.3cm. Distinguished with a single ring and a yellow band around the handle. It is particularly useful in locating the external Os in patients presenting cervical stenosis. Made of teflon which is malleable, warm and self-lubricating. Deliver excellent patient comfort. Can be cleaned and sterilized by any approved method. Do not bend the instument more than 90 degrees from ints lingitudinal axis. Inspect for cracks before each use. Packaging: 1 each.