Push Button Reset Circuit Breakers with Quick Connect Terminals. Overload protection, to prevent excessive current. High sensitivity, can protect the circuit in time. Compact design enables high density circuit protection configurations. Great for For Automotive / Industrial / Marine And Many Other applications. Specification: Material: Plastic and Metal Size: Approx 47x29mm/18.5x10.2 in Package Includes: 3 Pieces Circuit Breaker Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.