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Items 1-10 of 571

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  1. 1510AH
    1510AH
    Davies Molding Knobs, 1510 Series
    Item Number
    1510AH
    MFG Item Number
    1510AH
    Series
    1510
    Product Description
    Knob, Black, Thermoset, Plain
    Specifications
    Specifications
    Package Size 0.75 "
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line Yes
    Skirted No
    Pointer Yes
    Knurled No
    Mounting Set Screw
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. 146MT577
    146MT577
    Intermatic Knobs
    Item Number
    146MT577
    MFG Item Number
    146MT577
    Product Description
    Stonedust White Knob Without Hold
    Specifications
    Specifications
    Pointer Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  3. 2310
    2310
    Davies Molding Knobs
    Item Number
    2310
    MFG Item Number
    2310
    Product Description
    Knob, Black, Thermoset, Plain
    Specifications
    Specifications
    Package Size 1.19 "
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line No
    Skirted No
    Pointer Yes
    Knurled Yes
    Mounting Set Screw
    Increase
    Decrease
    Availability
  4. 5150
    5150
    Ohmite Knobs
    Item Number
    5150
    MFG Item Number
    5150
    Product Description
    Finger-Grip Knob, 1-1/2in. Diameter,
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. 503-0004
    503-0004
    NTE Electronics Knobs, 16 Series
    Item Number
    503-0004
    MFG Item Number
    503-0004
    Series
    16
    Product Description
    COUNTING DIAL, 7/8in. DIA, SATIN CHROM
    Specifications
    Specifications
    Package Size 0.875 "
    Number of Turns 15
    Brake Lever Yes
    Shaft Size 0.25 "
    Mounting Set Screw
    Increase
    Decrease
    Availability
  6. WA-1600A
    WA-1600A
    Waldom Knobs, SKRT Series
    Item Number
    WA-1600A
    MFG Item Number
    WA-1600A
    Series
    SKRT
    Product Description
    Knob, 1.500in. Diameter, Skirted,
    Specifications
    Specifications
    Package Size 1.5 "
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line Yes
    Skirted Yes
    Pointer No
    Knurled Yes
    Mounting Set Screw
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  7. 5470E
    5470E
    Ohmite Knobs, CONTROL Series
    Item Number
    5470E
    MFG Item Number
    5470E
    Series
    Control
    Product Description
    KNOB
    Specifications
    Specifications
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line Yes
    Skirted No
    Pointer Yes
    Knurled Yes
    Mounting Set Screw
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  8. 2300
    2300
    Davies Molding Knobs, 2300 Series
    Item Number
    2300
    MFG Item Number
    2300
    Series
    2300
    Product Description
    Knob, Black, Thermoset, Plain
    Specifications
    Specifications
    Package Size 1.2 "
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line No
    Skirted No
    Pointer Yes
    Knurled No
    Mounting Set Screw
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  9. 2150-V
    2150-V
    Davies Molding Knobs
    Item Number
    2150-V
    MFG Item Number
    2150-V
    Product Description
    Knob, Black, Thermoset, Plain
    Specifications
    Specifications
    Package Size 1.25 "
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line Yes
    Skirted No
    Pointer Yes
    Knurled No
    Increase
    Decrease
    Availability
  10. 1105
    1105
    Davies Molding Knobs, 1105 Series
    Item Number
    1105
    MFG Item Number
    1105
    Series
    1105
    Product Description
    Knob, Black, Thermoset, Bushing
    Specifications
    Specifications
    Package Size 1.06 "
    Shaft Size 0.25 "
    Composition Non-Metallic
    Indicator Line Yes
    Skirted No
    Pointer No
    Knurled Yes
    Mounting Set Screw
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
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Knobs

A knob is a cap-shaped piece of hardware that slips over a potentiometer or switch. Turning the knob makes adjustments to voltage, or turns equipment on an off.

Knobs and dials are generally marked with an indicator that points to a voltage value. The value can be numbered or represented by an icon or bar that gradually increases in size. Turn the knob in either direction turns the attached potentiometer, adjusting voltage accordingly. They can adjust the speed of a drive or motor, or change the volume on an amplifier.

Counting dials are specific types of knobs that are designed for precision potentiometers. The knob has a built-in counter that indicates the number of turns made. The count is used to dial into a very precise position, and the counting dial can be locked to maintain that position.

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