These mounting plates are designed for installing MotionAct Finger Changer pins on COBOTTA’s optional electric gripper. For use with the QMCF0411-15-SUS Finger Changer. The mounting plates used with these mechanical fastening components enable gripper finger changes through simple robot arm movements. The body and slide pin are made from 303 stainless steel. Ring is made from 17-4 PH stainless steel. Ball is made from quenched and tempered 440C stainless steel. Spring is made from 304 stainless steel.