What is this?The Terminal Block is an electrical connector, it consists of flame retardant ABS insulation part brass conductor. For wiring or grounding function.What will I get?The terminal block, we provide here, is in size of: Poles: 3 Positions(Dual Row); Maximum Rated Voltage: 500 Volts; Maximum Rated Current: 60 Amps; Conductor Material: Brass; Insulating Material: ABS; Mount Hole Distance: 18mm/0.71 inch; Total Size: 51.4mm x 32mm x 25mm/2.02 inch x 1.26 inch x 0.98 inch(L*W*H); Color: BlackIn the package of 1x terminal blockAre there any advantages of the product?It is made of brass conductors, with great electrical conductive and reliability.How to use it?Loose the screw, insert the wire into the conductor hole, then fasten the screws to hold tightly.