Star Push Button Turbine With Lube Free, Integral Shield, Ceramic Bearings. PLUS NEW BACKCAP Change your old, worn, sticky backcap to a new backcap/turbine combo for superior performance. Exclusive LOCKJAW ChuckNo More Slipping Burs! Compatible with ALL Star Push Button Standard Head Handpieces Fully Shielded ABEC 7 Ceramic Bearings Long Life Bearings Can Be Used With Lubricant Or Lube Free Made in the USA Each Turbine Individually Tested For RPM, Noise And Vibration We are a family owned dental Instrument repair company since 1997 Your Satisfaction Guaranteed