Hiplok - D1000 Anti Angle-Grinder D LockHIPLOK D1000 ANTI ANGLE GRINDER D LOCK The worlds first portable anti angle grinder bike lock. Hiplok D1000 represents a new era in mobile bike security. Using advanced material technology, never before used in bicycle or motorcycle locks, the patent pending D1000 can withstand a sustained attack from an angle grinder +20 times longer than a standard D lock. Independently tested and carrying the ultimate Sold Secure Diamond rating, D1000 fits bikes, e