ITEM NAME:Ulac Bike Lock With 3 Keys Security Anti-Theft Bicycle Lock Magnesium Alloy Y7G5 Ulac Bike Lock With 3 Keys Security Anti-Theft Bicycle Lock Magnesium Alloy Y7G5 Brand Name: ULAC Type: U Lock Name: U Lock For Bicycle Motorcycle Door ... Security Level: 5 Lightweight, Integrated overmoulded design.High Security Dimple Keys with 500 unique key combinations.Reinforced lock cylinder Model: LK-MU3 Multi-function U lock for the bicycle, Motorcycle, Door and so on Lightweight of 454g (1.0lbs) Integrated over-molded design High-Security Dimple Keys with 500 unique key combinations Reinforced Magnesium lock cylinder colour:black Material:Silicone, magnesium alloy size:12*19.5cm Package Contents: 1*Silicone U-lock 3*Keys