This XT30U connector plug is made of and provides solid and reliable connection. Reusable connector end design for times insert and take off from the enclosure. Plug more easily, not easy to knock off. this connector is the good choice for you. Features - Color: Assorted Color. - Material: Nylon. - Size: 1.50X1.00X0.50cm/0.59X0.39X0.20in. - The plastic shell has a on high temperature resistant, will not melt under high current and high temperature and will not burn when exposed to open flame. - Antislip , easy to insert and pull, beautiful appearance. - High temperature nylon Material, Half open end, easier for welding and no heat shrink required. - These XT30U connectors can avoid shorting and reverse polarity. - Used conveniently. Plug more easily and not easy to knock off. Package list: 10 pairs x power plugs 40 x heat shrink tubes