ITEM NAME:10Pcs Li-ion 18650 battery cell holder safety spacer radiating bracket storageOZ Description: 100% brand new and high quality Materia:PVC+ABS Color:black Size:2cm*2cm*0.7cm(0.79''*0.79''*0.28'') Conversion:1cm=0.394in How to use? If your application of Li-ion battery pack or LiFePo4 pack is strict and special when fixed, you should use this kind of frame. One on top of positive and one on the bottom of negative of cell. You can expand with each frame unit trench. DIY as you can imagine, any size, any you design. Package include: 10pcs 18650 battery spacer(This item does not include any battery) Note: 1.Please allow a slight difference between the real item and the pictures due to the difference between monitors. 2.Please allow a slight measurement error. Thanks for your understanding!.Conversion:1cm=0.394in. One on top of positive and one on the bottom of negative of cell. DIY as you can imagine, any size, any you design. Size:2cm 2cm 0.7cm(0.79" 0.79" 0.28").