1.battery holder 2.with switch and cover 3.battery case 4.different sizes for you ... for 1,2,3,4,6,8 pcs D cell with wires ,pin or plate Our company is main production battery ... for 1,2,3,4,,6,8 pcs D cell with wire ,pin or plateWire:UL1007 AWG 24Our company is main ... information about our products please don't hesitate to contact with us 2P BATTERY HOLDERS