KN6C----B3---21,BALL KNOB 1.380 IN DIAMETER WITH
KN6C----B3S--21,BALL KNOB 1.380 IN DIAMETER WITH
KN6C----B4---21,BALL KNOB 1.470 IN DIAMETER WITH
KN6C----B4-L-21,BALL KNOB 1.470 IN DIAMETER WITH
KN6C----B4S--21,BALL KNOB 1.470 IN DIAMETER WITH
KN6C----B5-L-21,BALL KNOB 1.610 IN DIAMETER WITH
KN6C----B5S--21,BALL KNOB 1.610 IN DIAMETER WITH
KN6C----B7---21,BALL KNOB 1.880 IN DIAMETER WITH
