25 Sq.Mm ( Bolt Size M8 ) Copper Tube Standard Barrel Lugs, High Conductivity Electro Tin Pla Ted (Etp) Copper With Flat Contact Surface And Precise Holes As Per Metric Standards (Iec-61238) And Anne Aled Material Optimizes Material With Crimping Properties. Nominal Cross Section (Sq.Mm). Make - Raychem , Rpg , Ascon Or Its Equivalent. [ Warranty Period: 30 Months After The Date Of Delivery ] ]