The item includes :Battery Holder-3PCSStainless metal flat mind screws 3*8-4PCSStainless steel flat mind screws 3*10-2PCSOriginal title / component No:AXI231008Major top options that come with upgrading with this part/product :1. Made out of an excellent lightweight high tensile energy aluminum 6061 T6 for greater support and durability.2. A great product for temperature cooling. The pattern helps attempting to cool-down the warmth from battery power.