Master Lock 8195DLW Force Long Length U-Lock,  5/8 x 11-1/4 Inch Disc key for additional anti-pick protection Sliding Dust Cover protects keyway from natural elements Includes carrier bracket for storage convenience $1000 anti-theft guarantee 5/8-inch (16mm) by 11-1/4-inch (29cm) by 4-1/4-inch (21cm)