Ronstan Split Cotter Ring - 14mm 5/8" ID. . Formulated by using some of the most extremely robust and long lasting resources available these Anchor & Docking through Ronstan provides you with a product that will give you a great deal of reliability. Ronstan has been making superior quality products for a number of years and the Ronstan Split Cotter Ring is their very own way of demonstrating how much they care. Right here at OpticsPlanet we ensure that it is our obligation to obtain the best product for your preferences and showcasing the Ronstan Split Cotter Ring is something that we are pleased to offer. Specifications for Ronstan Split Cotter Ring: Manufacturer: Ronstan Color: Black Package Contents: Ronstan Split Cotter Ring Ronstan RF686: Split Cotter Ring - 14mm 5/8" ID