Features: Stainless steel stud, lock washer, and nut, which is sturdy and rust-resistant. The base made of Fiberglass reinforced nylon(flame retardant) to protect your safety, ensures great mechanical strength and durability Surface screw fixed installation, two mounting holes make this terminal stud block easier to be mounted in any orientation The terminal stud is useful for customizing vehicles or relocating batteries. Applicable to 12-48V trucks, RVs, coaches, boats and other industrial equipment. Specification: Maximum current:Determined by the connected wire Maximum product voltage:DC 48V Base material:Fiberglass reinforced nylon Nuts and studs material:Stainless steel Size:4.5cm/1.77inch x 4.3cm/1.69inch x 3.2cm/1.26inch. Mounting hole size:4.5mm/0.18"(D) Tud diameter:M6/M8 Color:Black,Red Package Included: 1 x Terminal Block Stud Without original packaging box.