KN8C----B3-L-21,BALL KNOB 1.380 IN DIAMETER WITH
KN8C----B3S--21,BALL KNOB 1.380 IN DIAMETER WITH
KN8C----B4-L-21,BALL KNOB 1.470 IN DIAMETER WITH
KN8C----B4SL-21,BALL KNOB 1.470 IN DIAMETER WITH
KN8C----B5-L-21,BALL KNOB 1.610 IN DIAMETER WITH
KN8C----B5SL-21,BALL KNOB 1.610 IN DIAMETER WITH
KN8C----B7-L-21,BALL KNOB 1.880 IN DIAMETER WITH
KN8C----B7SL-21,BALL KNOB 1.880 IN DIAMETER WITH