Comparison : Item # 1KCK-1214, 3/16 Inch (in) Reamed Diameter, 3/4 Inch (in) Knob Diameter (A), and 1/2 Inch (in) Hub Diameter (C) Steel Reamed Knurled Control Knob without Set Screw
Item # 1KCK-1215, 1/4 Inch (in) Reamed Diameter, 3/4 Inch (in) Knob Diameter (A), and 1/2 Inch (in) Hub Diameter (C) Steel Reamed Knurled Control Knob without Set Screw
Item # 2KCK-1216, 1/4 Inch (in) Reamed Diameter, 1 Inch (in) Knob Diameter (A), and 5/8 Inch (in) Hub Diameter (C) Steel Reamed Knurled Control Knob without Set Screw
Item # 2KCK-1217, 5/16 Inch (in) Reamed Diameter, 1 Inch (in) Knob Diameter (A), and 5/8 Inch (in) Hub Diameter (C) Steel Reamed Knurled Control Knob without Set Screw
Item # 3KCK-1218, 5/16 Inch (in) Reamed Diameter, 1-1/2 Inch (in) Knob Diameter (A), and 3/4 Inch (in) Hub Diameter (C) Steel Reamed Knurled Control Knob without Set Screw