This product is a spark plug gaps tool, mainly made of zinc-aluminium alloy. It is safe and durable, has excellent texture. It can serve you well. With a reasonably designed structure, the spark plug gaps tool is easy to use and features small size for lightweight carry. Features -Color:Silver -Material:Zinc-aluminium alloy -Size:3.70X3.70X0.20cm/1.45X1.45X0.08in -Note:Suitable for spark plug gap 0.020-1.00inch. - Made of zinc-aluminium alloy materials, they are strong and durable and . - It is lightweight for easy and convenient to carry and store when not in use. - The wire spark measuring tool with a small hole makes it easy to attach this handy tool to a keychain or store on a hook. - They are simple in design, but very practical in use, which brings great convenience to you. -Precision measurement capabilities ensure accurate measurement of spark plug gaps, preventing engine misfires and other performance issues. Package list: 1 x spark plug gaps tool