Metal Material: The repairer uses hard metal as the material, which has high hardness, durability, corrosion resistance, and is not easy to bend and deform. It provides strong support for the base, avoids loosening of the switch box, and is durable. Fixed nail head: the screw head is made of hard metal and adopts the shape of a pointed head, which can firmly hold the bottom box and fix it more firmly. Nickel plating treatment: Our products use metallic nickel plating. This treatment makes the metal durable, not easy to rust, not easy to slip, and has a long service life. Operation guide: Adjust the repairer to a suitable length which can be placed in the bottom case of the switch, then place it into the bottom switch case in an upright position, then use a wrench to rotate the screw head until it is firmly against the bottom box. Now that the bottom case is repaired, all you need to do is fix the socket in the end. This product is a switch 86 bottom case repairer, which is used to support the bottom case switch socket and solve the problem that the bottom case cannot be repaired due to the damage to the socket case.