The Master Lock No. 8170EURDPRO U-Lock features a 10cm wide hardened steel body for maximum strength and reliability. The 12mm diameter double locking shackle is 20cm long and made of hardened steel, offering extra resistance to prying, cutting and sawing. The disc key cylinder prevents picking. The Limited Lifetime Warranty provides peace of mind from a brand you can trust. Features: Hardened steel body resists cutting, sawing and prying Double locking shackle for superior pry resistance Protective vinyl coating helps prevent scratching Integrated pin tumbler keyed locking mechanism for superior pick resistance Carrier bracket included for easy transportation Specifications: Dimensions: H:24.0 x W:16.0 x D:3.0 cm Colour: Black Guarantee:Limited Lifetime Warranty Material: Steel Model Number: 8170EURDPRO