Berea Hardwoods Bushing 28A are precision-engineered round steel pieces designed to slide onto the mandrel between mounted pen blanks. These bushings help you turn the wood down accurately to the top of the bushing, ensuring the correct wood size for your project. Each kit includes specific bushings tailored to fit particular mandrels, with the letter following the bushing number indicating the compatible mandrel type, such as A or B. This makes it easy to select the right bushing for your pen-turning needs, providing a reliable and consistent fit every time. Model Number: 28A