ATSL & ATSC LV are mechanical torque shear lugs and connectors designed for use in Low Voltages applications. Suitable for AL (Aluminium) and Copper cables. Conductor sizes 6-240mm. Solid Palm (no inspection hole) eliminates ingress of moisture. Grooved inner barrel contact surface. Complies to IEC 61238-1 Class A and B, BS EN50483-6:2009 M12 Bolts