This 230mm version includes a texkf frame bracket for convenient transport the granit plus 640 features a weight optimized hardened steel 12mm thick round shackle that is double bolted into the hardened steel lock body with an automatic keyhole cover to protect the internals from dirt and water the lock is supplied with 2 keys one with integrated led the plus cylinder is extremely resistant to drilling or picking and also supplied with a key code card for replacement or additional keys the