53C1
Clarostat 53C1 Potentiometer 15KΩ-S
You will find the Oil Equipment Mfg 4171 to be a comfortable tool to use for extended periods.
CLAROSTAT ROTARY POTENTIOMETER 53C1, NEW OLD STOCK ! *SOLD IN 5 PACK AS SHOWN
A nice bonus with the STRENGTH-100 is the online support community for tips.