Feature 1、Product Information: Dual 5/16in stainless steel studs, operating voltage : DC12‑48V. The red one is connected to the positive pole and the black one is connected to the negative pole. 2、Strength Material: The base is made of flame retardant nylon PA66 material to protect your safety and ensure strong mechanical strength and durability. The lock washers and nuts are strong, rust proof, and resistant to extreme temperatures and chemicals. 3、Easy Install: Two mounting holes on the surface make studs easier to install in any direction, it is very convenient and does not require other complicated steps to complete. 4、Wide Application: The terminal studs is suitable for customizing vehicles or replacing batteries. Suitable for 12‑48V buses, ships, cars, trucks, trailers, boats, RVs, coaches and other industrial equipment. 5、Function: Bus bar stud allow terminating of heavy duty cables for one or more connections. The red and black colors allow you to clearly identify the wiring color code. Item Type: 48V Ground Insulated Terminal PostMaterial: Flame retardant nylon PA66, nickel plated brass, stainless steel Operating Voltage: DC12-48V Strength and Durability A pair of 5/16in stainless steel studs, lock washers and nuts are sturdy and rust resistant. The base is made of flame retardant nylon to protect you and ensure excellent mechanical strength and durabilitySuitable Application: Automobile, RV, Ship, truck, electrical equipment and solar cell, etc Package List 1 x A pair of 48V Ground Insulated Terminal Post(red and black)4 x Set Screws