KINGSO Plastic 4x5 Hole 18650 Lithium Battery Spacer Stand Holder Pack Bracket Organizer, Pack of 10 Material: ABS Color: Black Weight: 18g (each) Size: Approx. 103 x 93X8mm (L x W x H); Hole Diameter: 18mm Package Contents: 10 x Battery Spacers Holder (Battery Not Included)