NSK SGA-E2S micro surgery Handpiece is designed specifically for use in micro-surgery and ENT surgery, these straight 20 degree micro surgery handpieces are built to operate with the utmost precision of rotational axis and minimal vibration in high speed range. The design of the handpieces ensures that no vibration or spindle deviation from concentric operation occurs, even during high speed rotation. The Clean Head System prevents internal contamination of the surgical handpiece by airborne micro organisms and extends handpiece life. NSK Micro-Surgery handpieces help making more precise and safer operations. All NSK handpieces are repeatedly autoclavable up to 135?. Recommended to use 70mm Extra-Long burs for micro surgery. The SGA-ES is a 1:2 speed increasing, off-angle E-Type attachment with twist chuck.