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 belongings
Affordable U-lock protection
Disc key lock design for anti-pick protection
Vinyl coating for weather and scratch resistance
Includes carrier bracket for storage convenience
6-1/8" 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 your
Hardened steel body resists cutting, sawing and prying