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
2830DG,KNOB 4 ARM THERMOSET POLYESTER
2830-E,KNOB 4 ARM 3/8"-16 PHENOLIC
2830EA,KNOB 4 ARM THERMOSET POLYESTER
2830EB,KNOB 4 ARM THERMOSET POLYESTER