Aluminum made Trefoil Clamps are perfect for laying of single core cables. These cable accessories can provide long term protection against lighting discharge to cables. Advanced design of such clamps helps to avoid loss of current and electro magnetic heating that prove to be damaging for electrical wires. These are suitable for high voltage cable lines. Application of such clamps can be noticed in areas where 3 core cables can not be installed or available. Offered cast aluminum Trefoil clamps are well known for having less surface tension, high mechanical strength, stable thermal attributes, good temperature resistant attributes and long lasting quality.