Doberman series coil cable locks are lightweight, easy to carry, available with either keyed or combination lock mechanisms, and offer fast, convenient security for medium to low risk situations. Heavy-duty braided steel cables are self coiling for convenience. Vinyl coating protects paint and finishes. Lock heads are permanently forged to cable ends. Double rubber-coated lock head covers protect paint and finishes. Key locks feature X2P Double Bolt lock heads for ultimate pull resistance, and Z-cylinder which protects against picking and bump attacks. Combo locks feature Steel Ball Combo gear system with 4-digit user-settable combination. Attached velcro straps contain unruly coils during transport. Most models include All-Tube Twist Lock mounting bracket. Key locks include 5 laser-cut keys, 1 with micro-LED. 8031GLO combo lock features internal LED backlights to make it easier to see tumblers in the dark. Padlock models (8033 and 8034) do not include bracket or LED key.