Hardened Steel Bicycle U-Lock, 6-1/8 in Wide with 8 in ShackleThe Master Lock No. 8170D U Lock features a 6 1 8in (15cm) wide hardened steel body for maximum strength and reliability. The 1 2in (13mm) diameter double locking shackle is 8in (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.

providing 2-hour fire resistance in temperatures up to 1850° F and shielding against water for up to 24 hours

and mini-U-locks

gates and outdoor gear with flexible reach and a vinyl coating that helps prevent scratches

cabinets or gates

tools or trailers

the door is fortified with 4 bolts

The 1/2in (13mm) diameter double locking shackle is 8in (20cm) long and made of hardened steel

The aged bronze finish provides a sleek appearance

keyless security for daily use

With a built-in high security lock and two keys

offering extra resistance to cutting and sawing

Keep your important documents and valuables organized while keeping them safe with this Tray Insert