The Burg-Wächter 170mm x 340mm Sold Secure Gold standard approved, Universal D Lock comes complete with 2-keys. Ideal for use with all types of bicycle for secure storage at home, office or out and about. It has a hardened steel shackle and body and locks and unlocks with one of the two keys supplied Has an ABS plastic cover to aid protection against scratches and is supplied with a 2.1m braided steel cable lock to secure the bikes wheels and other components. This Burg-Wachter 1600HB Heavy Duty D-Lock 2.1m features a double-bolted shackle alongside a hardened steel shackle and body. It is weather-resistant and ideal for all types of bikes. It is certified to Sold Secure pedal bicycle Gold and Secure by Design Police recommended.