Kryptonite Evolution High U-lock The Evolution U-locks from Kryptonite have a high degree of protection and a protective coating. The locks are perfect for use with all types of bicycles. The hardened steel closure is resistant to all types of hand tools. The lock comes with three keys, one of which has an LED light. Specifications: Color: black, orange Gender: unisex Material: steel Material coating: vinyl Dimensions: 29.2 x 10.2 cm (L x W) Shackle thickness: 14 mm (hardened steel) Degree of protection: 8/10 Weight: 1.75 kg Contents: 1 U-lock 1 Transit FlexFrame 3 Keys