[High Quality]- Dual 5/16inch stainless steel stud, lock washer, and nut, which is sturdy and rust-resistant. The base is made of retardant plastic to your safety, ensures great mechanical strength and durability. [Dimensions]- The battery junction block is measured 1.77inch x 1.69inch x 1.26inch. Stud size: M8. Maximum working voltage: DC 48V & up to 80Amp. Maximum amplifier per circuit: determined by the connected wires. [Material]The Terminal Block bus bas made of high quality material, durable and practical to use [Easy to install]The power junction post's surface screw fixed installation-two mounting holes easier to be mounted in any orientation [Wide Applications]- The positive and negative power distribution block is useful for customizing vehicles or relocating batteries. Applicable to 12-48V trucks, , coaches, boats and other industrial equipment. Features: Terminal Block Studs Model Name: BB2-1 Item: Power Distribution Stud Connector Type: Screw Mounting Type: Surface Size: 45 x 43 x 32mm color:Black+red Material:plastic Package Contents: 1 x Black Double Stud with Gasket-M8 1 x Red Double Stud with Gasket-M8 4 x screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.