JANKI OIL TOOLS have developed drill collar slips in three sizes covering all popular drill collar sizes in use from 3 inch OD to 14 inch OD. These are manufactured out of best quality alloy steel. Its multi segment design ensures full wrap around the drill collars. Segments have extra long back ensuring sufficient strength & support to the inserts. While handling drill collars it is recommended oil field practice to use multi purpose safety clamps, for which these slips are made flat on top to ensure smooth fitment of multi purpose clamp.