against magnet 76 since the space 98 between stops 86 is less than the width of the end portion of preformed end 20 fig5 the end 20 becomes locked into position on fixture 42 in connection with the vertical attraction of magnet 76 the open bottom of the fixture 42 permits removal of the wire connection downward after the bale ends are ultimately joined as seen in fig1 and 3 a pair of pneumatic cylinders 100 or other suitable power means are mounted above the fixtures 42 on the upper beam 10 of press 4 by means of conventional brackets and attachment members 102 the extensible ends 104 of the pneumatic cylinders 100 include a clevis 106 and pivot pin 108 as best seen in fig2 and 3 a cylinder pivot bracket 110 has a upper plate 112 that is rotatably mounted on the pivot pin 108 the bracket 110 further includes a lower plate 114 that is affixed in a normal relationship to upper plate 112 and extends into contact with a portion of elongated pivot bar 30 the lower plate 114 is in turn affixed to pivot bar 30 by means of one or more threaded members 116 a stop 118 having a beveled surface 120 is attached to lower plate 114 adjacent at least one side of plate 112 as seen in fig3 the stop 118 contacts the clevis 106 during downward extension of extensible end.