Multifunction:Anti-slip,prevent from marring and scratches,reduces friction vibration & noise while moving furniture chairs tables and lengthen the service lives of furniture & floor Advantages:Lasts far longer than stick-on pads and easier replacement.Much stronger connection with furniture foot than nail-on pads Easy use:Firstly drill pilot hole,then screw on the pad along the predrill point by screwdriver Quality material:Quality sturdy steel screw,high density fine felt pad and ABS plastic case.They are great protectors to furniture,tables,chairs,stools and your precious floor Packing:40pcs pad was packed into a hard PVC box