Details and features: The connection plate is made of nickel-plated copper and is 40% more conductive than tin-plated. Connect the battery or mains power to the 3/8 5/16 1/4 center stud (rated at 160A) and connect up to 8 loads to the screw terminals (20A maximum each). Stainless steel studs and screw terminals do not rust or corrode, extending service life and making them ideal for wet environments. Product Description: Maximum voltage: 48V DC Maximum current: 160A @ 12VDC Stud Diameter: (M10)3/8 /(M8)5/16 /(M6)1/4 Stud Length: 3/4 Power distribution points: 8 x #8-32 Mounting hole size: 3/16 (M4)(#10 screw) Installation Center: 2.5 Material: stainless steel, flame retardant nylon PA66 Package includes: 1*8 point connection block. 1* insulating rubber protective cover. 12*O type terminal block (100% new never used or installed). 2* screws (100% new never used or installed). What makes our product unique LNCN groups take strict control of every procedure, from product selection to manufacture, from quality inspection to logistics. All our effort aims to provide higher quality products, faster delivery, and the best shopping experience for our customers. All LNCN products are designed to convenient our customer s life, to make sure that our product is made of the best quality and exceeds your expectations. LNCN groups genuinely hope that your experience with our store was one that was positive and memorable.