Specification: Chip Size :18.5mm x 10.5mm (Approx.) Usage:USB Electronic Rechargeable Lighter Replacement Heating Head Package Included:2pcs Heating Head Chip Please confirm the size of your own ceramic chip carefully before purchasing. Your DIY capabilities are required when replacing. Note:not include the lighter,replacement accessory only Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.