Potentiometers range in resistance from 500ohm to 1Mohm

NTE 16mm Potentiometers are available in resistance values ranging from 500 ohm all the way up to 1 Meg ohm, in both audio and linear taper. Devices are available both with or without switches and feature either solder lug terminals or combination terminals, which can be mounted onto a printed circuit board or soldered to. The single turn devices come in 16mm or 24mm diameter, also with a 6mm shaft diameter. Products come with 1.18-inch shaft length and a 20% tolerance. http://www.nteinc.com/quickcross