Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Stud diameter:M8 Maximum current: Determined by the connected wire Application: The positive and negative terminal stud is useful for customizing vehicles or relocating batteries. Applicable to 12-48V trucks, RVs, coaches, boats and other industrial equipment. Maximum product voltage: DC 48V material: Fiberglass reinforced nylon Nuts and studs material: Stainless steel size: L*W=46*43(1.77 inch x 1.69 inch) Mounting hole size: 4.5mm/0.18 inch (D) Material: Nylon+Metal colour: black+red Package Contents: 2 x Terminal Block Studs(1 Red+1Black) 4 x Screws Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.