These chucks are available with 2 jaws, 3 jaws, 4 jaws and 6 jaws and are referred as MGC-2, MGC-3, MGC-4 and MGC-6 respectively. The Jaws are made in two portions. There is one threaded base which is hardened. One set of reversible hard top and one set of soft jaw is provided with each chuck. These top jaws are tightened on the base with allen bolts. The advantage of these chucks is that special type of jaws can be made at user's end to suit any type of job which is not possible with normal jaws. Mounting Bolts, Allen Key, Operating Key and Inspection Report is provided with each chuck