Set of impact Spline bits in Chrome Molybdenum steel for strength Impact quality. Manufactured from Chrome Molybdenum in black Phosphate finish. Sizes: M14, M16, M18 x 43mm/78mm long. Essential for VAG hubs and calipers on LT, Transporter, Golf and Sharan and rear calipers on a Porsche Cayenne. 1/2″D.