Airtech offers pull grip chuck that works on principle of master jaw collects. Its interchangeable jaw inserts exert radial force as well as axial pull, thus drawing the job against the face of the chuck. The jaw guides are of cylindrical shape with perfect lapping fit in the body. Design wise, the chuck is very stable and maintains accuracy for a very long time. Its stable design its jaw guides having perfect fit in the body its absolutely negligible back lash - all these factors permit the chuck to operate at very high speeds without any appreciable loss of grip due to centrifugal forces. The large jaw stroke and easy insertion and removal of jaw inserts make the chuck versatile. This chuck is useful only for external gripping. Short cut piece bar work on medium or small batch size is most suited to this chuck. Gear balk turning, bearing race turning where floor to four time is in seconds, are ideal jobs for this chuck.