Adjust from " (12.7mm) to 2 " (6.3cm)... Puts an end to gouged scratched and ruined magazine tubes and caps. Extra long for good turning leverage. Magazine tube/cap pliers mag tube/cap plier pads pair w/pins These slip joint pliers adjust to fit them all and the curved cushioned jaws grip tight without marring. Adjust from " (12.7mm) to 2 " (6.3cm). Puts an end to gouged, scratched and ruined magazine tubes and caps. Screen Printed Screw Cap Tube, 28 x 114mm Conical Bottom Skirted Polypropylene Graduations and Writing Block Red magazine tube/cap pliers 07320 (529 10) mag tube/cap pliers Cap. Extra long for good turning leverage. These slip joint pliers adjust to fit them all and the curved, cap, stock bolt tube c5a035 cap,stk blt tube,391xtrma,rcvr cushioned jaws grip tight without marring.