Features: Made of high-quality Fire Retardant PC+PP material,for 2x5 18650 battery spacer. With excellentimpact resistance, heat resistance, low temperature resistance, chemical- resistance and electrical properties for high-end battery combination, can withstand high-drop high-strength. Easy to use,the 18650 battery holder has card slot at edges,firm and strong, very convenient to use Application:for 18650 battery holder used to replace the traditional general adhesive,good for battery Can be used for electric tools battery, storage battery and electric car battery, diy battery pack. Specifications: 18650 Battery Spacer: Mode: 2x5 Cell Spacer; For: 18650 Lithium Battery; Recommended Uses For ProductElectric Car,Electric Tools Size:approx 42x102mm-1.65x4.01in Note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you. Package includes: 1PC Battery Holder