Features:- 14Mm hardened max-performance steel shackle resists bolt cutters and leverage attacks- Hardened double deadbolt design gives additional protection against twist attacks- High security disc-style cylinder- Includes new transit flexframe-u transportation system which allows for versatile carrying- Protective vinyl coating- Sliding dustcover protects and extends cylinder life- 3 Stainless steel keys – one lighted with high intensity led bulb 7 replaceable battery- Key Safe ProgramSpecifications:- Dimensions: 4 x 9 (10.2cm x 22.9cm)- Weight: 3.75 lbs (1.70 kgs)