Master Lock Black Bike Lock with Key, Standard Size U-Lock for Bicycles and Other Outdoor Equipment, Anti-Theft Lock for Bikes, 8320D

The Master Lock no. 8320D u-lock features a 7-1/4 inch (18Cm) wide hardened steel body for maximum strength and reliability. The 1/2 inch (13Mm) diameter double locking shackle is 8 inches (20Cm) long and made of hardened steel, offering extra resistance to prying, cutting, and sawing. The disc key cylinder prevents picking..
Hardened steel body resists cutting, sawing and prying.Note: Measure your door’s backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door’s backset, cross bore and thickness to ensure you find the right fit.
Double locking shackle for superior pry resistance
Protective vinyl coating helps prevent scratching
Integrated disc keyed locking mechanism for maximum pick resistance
Carrier bracket included for easy transportation