Ernie Ball 6181 Junior Size Volume Pedal-Mono, 25K VPJR
The potentiometer has a  25k ohm resistance suitable for an active audio path. Overall Volume  Pedal Junior dimensions: 3.5" W x 10"& L x2  3/8" H . The main pivot shaft is of centerless ground 1/2'  diameter stainless steel, precision seated though nylon bushings at both  ends. Tough long lasting Kevlar cable transmits pedal travel to the  controls and is attached by stainless steel springs.The design  and development of the Ernie Ball pedals has been a team effort of  guitar players and craftspersons within our company. Pedal bodies are an  aluminum extrusion rather than a casting resulting in greater strength,  uniformity, and smoother surfaces. Clear anodized grain finish insures  lasting beauty.  Our bodies and shafts are designed to give the player  an indefinite service life! Deck mat of non-slip material is impervious  to oil, alcohol, and most things you might spill on it. Tough long  lasting Kevlar cable transmits pedal travel to the controls and is  attached by stainless steel springs. This drive design results in smooth  and quiet operation qualities lacking in gear driven models. Cycle  tests are made on every pedal to insure perfect operation prior to  packaging.