HDRiG 10 Pcs M3.5 Self Tapping Screw 30mm Long With Ribbed Wall Anchor 

• 10 pcs self tapping screws

• 10 pcs wall anchor included

• Size: M3.5 thread, 30mm long

• Material: iron & plastic

• Perfectly matched, useful

• Net Weight: 1.9*10 g

• This ribbed wall anchor and screw are perfectly matched, when you tighten the screw, the two side of ribbed anchor can extend each other to increased holding power, the plastic tube will be firmly fixed and can be easily disassembled without damaging the wall. Install plastic tube blades to prevent rotation of the expansion tube and increase friction. Good expansion curve design greatly increases the fixing force.