Double savar is Very very rare rudraksha. 
Benefits:-
Wearing this Rudraksha is bestowed with knowledge, power and health. Double savar  is an auspicious bringer of good fortune .The rudraksha provide as powerful deflectors of politicking and backbiting at the work place, bring wonderful harmony with people .He/She enjoys Top position in the office ,society. Wearing this rudraksha improves the capacity of mind . Helps to balance the mind and physical body thus preventing any kind of health problems.