- Thermistor socket, API, 8 pin and 4 J-slots, GFL stainless J slot wear ring (US)
- Stainless steel J-slots outlast competitor versions because they are tougher and more corrosion resistant than any other on the market. GFL socket J-slots are so tough that they are "Guaranteed for Life" against wear. US patent 6,824,423.
- WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov