The "guard ring" rotates. Prevents theft from grabbing with pliers etc.
The color is free and the washer effect makes the screws less likely to loose.
The lock body is forged from carbide (SCM435) for the strongest hardness.
60° taper, various spherical positions, screw diameters M12, M14, lower neck sizes 11, 1.4, 1.8, 1.6, 1.8, 1.8, 2.0 inches (28, 35, 40, 45, 50 mm).
Wide variety of sizes to fit each bolt vehicle.