NEW LOT 2 DAVIES Hand Knob Ball Thermoset, 

1/2"-20 Thread, 20 mm Lg 1.94" Black

 I cant find out much about this.  This is from Factory overstock sale - from fortune 500 company.  All items they sell are in NEW Working condition... 

FREE SHIP  

Disclaimer - You are buying this AS-IS.  I will give 30 day money back if you dont like it, but seller is not responsible for any issues that arise from purchasing this unit.