Necessary to renew the gland nut after each remove of the flywheel from the crankshaft...... . Gland nut, reinforced Chrom Moly ,Wrench width 36mm..... Supply completely with needle bearing and Lock washer…. Watch out that the flywheel screw with the correct torque by 350 Nm are absolutely tightened….In order to block the flywheel, you find the article 77-1007 under tool…. Been suitable for beetle, Karmann with 34-50 HP starting from August 1960. Bus T1 + T2 with 12-1600ccm and 34 - 50 HP until 1979….Quotation per piece