This is a set of 2 replacement cams for oil lighters! Two rivets (pins for mounting) are also included. 【Size】Length：0.5 Inches：Width：0.24 Inches：Thickness：0.13 Inches This is a replacement for the cam that connects the lid and body of the Zippo. Use if the cam is damaged or broken. For those who are replacing it for the first time, we will enclose a QR code that allows you to view the instruction manual website that describes the procedure and necessary tools.