About this itemSurface treatment: copper plating Safe and durable, resistant to cold and high temperature Size: 100mm, Color: black, red Due to different production batches, product details may be a little different. If you care about the difference, please buy carefully.High quality non-slip insulating sleeveProduct descriptionProduct manual: Used for electrical testing, you can collect the wires.Size: 100mm, Color: black, redIncludes: 2* Wire clamp red battery, 2*Black Battery Clip Note:Since the above size is measured by However, please be reminded that due to lighting effects, monitor& 39;s brightness/contrast settings etc, there could be slight differences in tones. pictures and the actual item.Your understanding will be highly appreciated.