WHAT YOU GET: 1x Negative Battery Terminal,1x Positive Terminal,2x Shims,2xWashers,3x Wrench,4x Ring Terminal DURABLE MATERTIAL: Zinc alloy + plastic, zinc alloy structure is durable, high temperature resistant environmental protection material. It has excellent conductivity and corrosion resistance, and can also protect the battery column from corrosion Wiring Outlet: There are 4 different sizes of a wiring outlet for 2/4/8/10 gauge inputs, easy to modify the wiring. Good for car battery connections. And suitable for most models battery, easy to replace PRODUCT SIZE: Positive: 19mm Negative:17mm EASY DISTINGUISH: The surface of the terminal is clearly printed with positive and negative indications, which is easy to distinguish Features: Fits for Most Models Car Audio Battery. Works great to replace the worn out and corroded terminals Car, Vehicle, RV and Boat Use Zinc alloy + plastic, zinc alloy structure is durable, high temperature resistant environmental protection material. It has excellent conductivity and corrosion resistance, and can also protect the battery column from corrosion Specifications: Size: Positive: 19mm Negative:17mm Material:High quality alloy+ plastic Package Included:1x Negative Battery Terminal,1x Positive Terminal,2x Shims,2xWashers,3x Wrench,4x Ring Terminal