Electrical Supplies
5Set WH148 1K 2K 5K 10K 20K 50K 100K 250K 1M Linear Potentiometer 15mm 3pin with Gold Aluminum Alloy Knob Cap Potentiometer Kit Resistor elements (Size : 2K Ohm)
Potentiometers
https://www.bizrate.co.uk/electricalsupplies/5set-wh148-1k-2k-5k-oid30233549370.html