1, Competitive price! 2, Good quality! 3, Best service! Fisher Wall PlugSize: M4-M16It's ideal to be used for building materials, even thin. It endures extreme temperature(40-80), urst, corrosion, aging, and chemical affect. Meanwhile, it's good at electric insulation, tensibility, and high pressure. The structure designed with gear can prevent itself from sliding in the hole. Anchor SizeScrew ...