AD 56515817 Side Squeegee Set for Nilfisk Advance. Side Blade Kits include all blades for both side skirt assemblies. Contains 2 long blades & 2 short blades. Fits popular Nilfisk Advance machines such as CR 1000XL. Priced Each. Replaces Nilfisk Advance 56515817. Our Part Number AD 56515817