Pedros Star Nut Setter II. The Pedros Star Nut Setter II was designed to make star nut installation quick and easy. Compatible with 1″ and 1 1/8″ steerer tubes the Star Nut Setter II features a guide that surrounds the steerer providing perfect alignment and perfect depth every time. The compact size and new lighter weight aluminum guide component are perfect for the tool box while the tool steel driver with updated ergonomics ensures lasting performance. Back by Pedros lifetime warranty.