Pankaj offers model s-50. This model isa continuously variable precision wire wound servo potentiometer. The potentiometer is also available with shaft extension on both sides, centre tap and additional taps as required and ganged up to three pieces. Following are some of the technical features of this potentiometer which include: has a 50 mm dia bakelite body, specially coated aluminium lids, front and rear ball bearings, 6 mm dia stainless steel shaft and gold plated terminals with special wiper contact materials. Resistance range is 100 ohms to 10k ohms with high resolution and good linearity.