THE SUBURBAN TOOL MCB47 PERMANENT MAGNETIC CHUCK IS DESIGNED FOR PRECISION TOOLING APPLICATIONS, PARTICULARLY WITH SURFACE GRINDERS. IT FEATURES A 4" X 7" RECTANGULAR SURFACE WITH A BASE WIDTH OF 4 INCHES AND A BASE LENGTH OF 7-1/2 INCHES. THE OVERALL HEIGHT OF THE CHUCK IS 2-5/8 INCHES. THIS MODEL UTILIZES A PERMANENT CERAMIC MAGNET WITH A TRANSVERSE POLE ALIGNMENT, PROVIDING A MAXIMUM HOLDING POWER OF 55 PSI. THE POLE SIZE IS 1/4 INCH, AND THE SEPARATOR SIZE IS 1/8 INCH. THE STANDARD POLE TYPE ENSURES RELIABLE AND CONSISTENT PERFORMANCE FOR VARIOUS MACHINING TASKS.