Brand United Scientific United Scientific Plastic Battery Holder with Wire Leads Single D Cell ItemNumber 1366075 Plastic battery holder offers easy and quick slot to place a single D cell battery for electronic needs or classroom electricity lessons Foot long red and black wires are easy to connect to create different electrical circuits Spring contact makes inserting and taking out D battery easy quick and secure Use battery holder for containing D cell battery making electrical connections or for science electricity experimentation in class 1 D Cell Battery Holder with Color Coded Wires