The abus 1025 granit x plus steel o flex cable locks are equipped with 25mm hardened steel shells with high tensile cable inside they use the patented power cell technology for locking the chain to lock body and have the patented abus x plus mechanism which offers maximum resistance against manipulation they are bolt cutter drill and saw resistant these cable locks have ball bearing locking with a 6 tonne resistance the locks have been independently tested sold secure bicycle gold thatcham a