240V, 15 AMP, Commercial Duty Infinite Control, 2-1/8" Break-Off Stem, No Dial Gen Use Black Knob # 22-1349 2" Dia, Off-Lo-2-6-Hi, Universal Mount, W/ 5 Inserts Super-Chef Hot Plate El-02, El-04 Commercial Duty Switches Have A Larger Dia. Breakaway Stem Than Standard Duty Switches. Upselling: Gen Use Black Knob # 22-1349 2" Dia, Off-Lo-2-6-Hi, Universal Mount, W/ 5 Inserts Universal Electric Knob Kit, # 22-1576 Includes: 5 Knobs, 10 Inlays, And 25 Stem Inserts~ (5 Ea. Blue, Green, Gray, Red, Yellow). Used With Infinte Switches And Electric Thermostats White Infinite Switch Knob # 22-1527 2" Dia, Off-Lo-2-6-Hi, Universal Mount, W/ 5 Inserts Palnut For Thread Stem Switches, 3/8-24, # 26-3886 Hex Nut For Thread Stem Switches, 3/8-24, # 26-1355 Infinite Switch Mounting Screw, # 26-2341 Palnut For Thread Stem Switches, 3/8-24, # 26-3886 Hex Nut For Thread Stem Switches, 3/8-24, # 26-1355