King-Pins are the longest pins available for the Vault Pedals.They offer further grip tuneability for your ride.Experiment alongside the Flip Pins and Moto Pins to get your ideal set up.44 steel DMR flip pins,16 x short pins (for use in the centre section of your pedals) overall length 8.5mm, thread is M4x0.7x4, stud is 4.5mm using either a 5mm spanner or 2mm allen Wrench to secure.,28 x long pins (for use in the outside edge of your pedals) overall length 14.5mm, thread is M4x0.7x10, stud is 4.5mm using either a 5mm spanner or 2mm allen Wrench to secure.,2mm allen Wrench included..