Shock Tools Cavare’s shock tools are built using the latest in disk spring technology, effectively protecting the bit and the drill string from excessive vibration. Compensating pistons and lubricated splines allow the Cavare shock tool to operate in a multitude of environments. Adding “Hot Hole” seals will add the capability to run in temperatures above 350 °F. Our Shock tools have large ID’s to accommodate the higher flow rates demanded by today’s drilling practices.