Padlocks 24241 - Key lockingGreen stripes indicate Security Grade 3 to BS EN 12320. 24243 - Key locking extended shackleGreen stripes indicate Security Grade 3 to BS EN 12320. 24246 - Key locking 10mm dia. shackleGreen stripes indicate Security Grade 3 to BS EN 12320. 24249 - Key locking closed shackleGreen stripes indicate Security Grade 3 to BS EN 12320.