Master Lock 8 in. H X 6-1/8 in. W Steel Double Locking U-Lock

The Master Lock No. 8170D U-Lock features a 6-1/8 inch (15cm) wide hardened steel body for maximum strength and reliability. The 1/2 inch (13 mm) diameter double locking shackle is 8 inch (20cm) long and made of hardened steel, offering extra resistance to prying, cutting and sawing. The disc key cylinder prevents picking.Ideal for protecting and securing your belongingsAffordable U-lock protectionDisc key lock design for anti-pick protectionVinyl coating for weather and scratch resistanceIncludes carrier bracket for storage convenience6-1/8" X 8"The object is to get away on your bike. Not for someone to get away with it. Security doesn't get any tougher than this. These locks are built with double locking shackles and high-security disc cylinders. Pliable rubber coated shackles protect yourHardened steel body resists cutting, sawing and prying