AZDENT High Speed Handpiece Torque Head Push Button E-generator LED Triple Water Spray Ceramic Bearings 2/4 HoleAZDENT LED High Speed Handpiece, 2 4 Hole,Torque Head, Push Button, E generator, Triple Water Spray, Ceramic Bearings. Professional LED light source. Special design of cartridge, more stable, more quiet, more powerful. 135 Autoclavable. Triple Water Spray, cooling efficiency is much higher. Atomization is smoother. Convenient push button chuck. Automatic integrated handpiece, head is more stable, longer service life. Overview Unique patented press