This is a set of 6x30 Optional SC Hex Adapters. Do you want to upgrade your 6x30 SC Removable Hex Wheels to 14mm or 17mm Hex size? Or do you need 12mm ProTrac™ offset hexes for your truck? You came to the right place! This pack contains a full car set of 14mm, 17mm and 12mm ProTrac™ Hexes for your 6x30 SC Wheels. These hexes are made from High-strength, Durable DuPont Black Nylon Material and are built to take a beating. These Hex Adapters are proudly Made by Us in the USA. Get your own optional 6x30 SC Hex Adapters today!