250 MCM 1/2” 1-Hole Copper Short Lug – Yellow
https://nsiindustries.com/product/250-mcm-1-2-1-hole-copper-short-lug-yellow/
The POLARIS compression design creates a permanent, vibration-resistant connection that you can rely on with low contact resistance. Suitable for a wide range of applications, including power distribution, grounding and data transmission.