The Vajra – kila with seven drills and the Vajra – kila with a vajra handle.
In Sanskrit, the term “Vajra – kila” means “big nail” or “rail – nail”.
The three shafts of the Vajra – kila symbolize control over the “Three Times” and the “Three Realms”.
The Vajra – kila is an often – used implement by many masters of the Nyingma school of Tibetan Buddhism. They either brandish the Vajra – kila in their right hand or tuck it into their waistband. When brandishing the Vajra – kila in the left hand, a vajra pestle or a vajra hammer is generally held in the right hand.