Master Lock 3.9375-in Steel Keyed U-lock

The Master Lock no. 8118DPF mini u-lock features a 3-15/16 In. (10 cm) wide hardened steel body for maximum strength and reliability. The 1/2 In. (13 mm) diameter double locking shackle is 2 In. (51 mm) long and made of hardened steel, offering extra resistance to prying, cutting, and sawing. The disc key cylinder prevents picking. The Anti-Theft Guarantee and limited lifetime warranty provides peace of mind from a brand you can trust.