A mixed set of zinc plated brake bleed screws in metric and imperial (UNF) sizes for use on vehicles including Audi, BMW, Fiat, Ford, MINI and Volkswagen group vehicles. Popular assortment of Brake Bleed Screws.Metric sizes: M6 x 1mm, M7 x 1mm, M8 x 1.25mm, M10 x 1mm. Imperial sizes: 1/4 UNF x 28 TPI, 3/8 UNF x 24 TPI. Zinc Plated.