We specialize in supplying any tool accessories, please feel free to contact us if you need any help.Specification:Material: Spring steel Diameter: 8.5mmFeatures:-Stable characteristics, high reliability. -Spring steel material,sturdy and durable. -Suitable for beginners to use,no easy to break tools.Package included:9 x Ejector PinsNotes:1. Manual measuring, please allow 1 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.