Check the listing for details. 5Pcs 10K Variable Resistors Single Turn Carbon Film Taper Potentiometer w Knobs. Condition: New. Listed at 14.21 USD. Description:Top adjustment type and knurled shaft for easy operate in daily use.Main used to control electrical devices such as volume controls on audio equipment.Knurled shaft with split design for push-on knob.this item include Knob easy for you to use Features:Product Name: Carbon Film PotentiometerMaterial: Carbon film MetalTurn Number: Single TurnTolerance: +/-20%Terminals Number: 3Features: Round ShaftModel: WH148Resistance Value: 10K ohmShaft Diameter: 6mm/0.24 inchShaft Length(do not include the Screw Thread parts): 13.8mm/0.54 inchTotal Length: 29mm/1.14 inchScrew Thread Dia: 6.8mm/0.27 inch Knob Size: 17 x 15.7mm/0.67 x 0.62 inch (L*D) Package Content:5Pcs x Carbon Film Potentiometer5Pcs x Plastic Knobs.