The C.R. Bard 145FS25 is a Hydroglide Guidewire, designed for medical procedures that require the use of a guidewire. This guidewire is straight and measures .025″ in diameter and 145cm in length. The Hydroglide coating on the guidewire provides a smooth surface for easy insertion and navigation. This product is sold in cases of 10. Please note that this is a prescription medical device.