It is used in precision working tables of the semiconductor manufacturing line for vibration isolation.And it is remakable feature that black color is not appeared on the cloth when the surface of rubber body is rubbed up by a piece of cloth wetted with alcohol(IPA).
And also it is available for air compressor, small engine,generator for its vibration absorption.
Dia.of steel washer:Ø80mm Dia.of rubber body:Ø71mm Height:30mm Stud:M12 Inside nut:M12