Package: Includes 10 pcs I TYPE 9v battery connector; All these 9 volt battery connectors are with bare leads, all these 9 volt battery clip are with hard buckle plastic housing, no 9V battery is included in the package.Good Material of 9v battery clip: Very Hard Plastic ABS and Metal to make the sturdy house for 9v battery snap connector.(Means these 9v battery clip connector is designed not easy to pull apart when removing from the battery, they have longer life than other 9v snap connector that are just fixed on soft material)Size of 9 volt battery clips with wires( Each ): 2.4 x 1.2 x 0.7cm/0.94" x 0.47" x 0.28" with wire length approx. 15 cm/ 5.9 inches; Connection wires color of 9v connector: black and red.Function: These 9 volt battery connectors with clips are easy replace a broken battery connector on your electronic device, making removable power connections in home projects, they should be part of any experimenter or maker's kit.Attention: All these 9 volt battery clip connector are only suitable for 9v battery and 9v battery holders, please make sure this when buying this item, please do not apply them when your hands are wet.