2830BG,KNOB 4 ARM 1/2"-13 PHENOLIC
2830BH,KNOB 4 ARM 1/2"-20 PHENOLIC
2830BJ,KNOB 4 ARM 3/8"-16 PHENOLIC
2830BL,KNOB 4 ARM 1/2"-13 PHENOLIC
2830CA,KNOB 4 ARM 5/16"-18 PHENOLIC
2830CG,KNOB 4 ARM 1/2"-13 PHENOLIC
2830CX,KNOB 4 ARM 1/4"-20 PHENOLIC
2830DB,KNOB 4 ARM 1/4"-20 PHENOLIC
