Uxcell Terminal Ground Bar Screw Block Barrier Brass 4 Positions Blue for Electrical Distribution

Uxcell Terminal Ground Bar Screw Block Barrier Brass 4 Positions Blue for Electrical Distribution What is this? The terminal ground bar is a terminal connector for wiring or grounding function. Are there any advantages of the product? It is made of brass conductors. With higher electrical conductive than those irons or alloy metal. How to use it? Loose the screws then insert the wire into the hole last fasten the screws to hold tightly. What should I notice? The size is measured by manual please allow the error +/-0.1 inch before purchasing.