ASIN number:: B076SZQH3P, B076TPZ86X
You can do following things:
1)Please remove forward slash ‘/’, ‘!’ in your listing. You can use commas.
2)Some of the keywords you can use such as extension cord with surge protector, extension cords with multiple sockets.
3)Try to add more bullet points to listing. Try to include some keywords from title in bullet points and in lower area description.
You can do changes accordingly.