Lock washer Pränafa steel for Hercules Supra 4, 4GP, Enduro, MK 1, 2, 2S, 3M, 3X, 4M, 4X, 50/1, Super K 50, 50 Sport, SX, RX, SL, RL, SE, RE, Sprint, Ultra II LC, Type 687 001, RS 002, 75 GS, 80 686 F Chopper 004, 007, DKW RT 139 M, 159 E, ES, Jet