Product Name: Potentiometer Model:WXD3-13 Resistance Value: 1K ohm Power: 2W Tolerance:+/-5% Type: Wire Wound Multi Turn Terminals Number:5 Features:Round Shaft Total Size:20.5mm x 57.9mm/0.8 x 2.28 inch (D * H) Screw Thread Dia.:7.8mm/0.3 inch Shaft Diameter:4mm/0.16 inch Shaft Length(do not include the Screw Thread parts): 12mm/0.47 inch Shaft Total Length:20mm/0.79 inch Package Content:5 x Potentiometer Features: 1K ohm, 5 Terminals, Single Linear, Suits Most Standard Knobs.( this item do not include Knobs) Main used to control electrical devices such as volume controls on audio equipment. Knurled shaft with split design for push-on knob.