Park tool magnetic parts bowl mb1as a manufacturer of bicycle specific tools since 1963 you can safely rely on park tools many years of experience the worlds largest bike tool manufacturer is the first choice of professional and home bicycle mechanics around the world featuresthis bench top accessory keeps small parts accessible and all in one place6 15cm in diameter and featuring an extra strong magnet the mb 1 is available only in world famous park tool bluebuy park tool workshop acces