HOMEE Heavy Duty Stainless Steel Paste formula Seamless Screw For Bathroom KitchenTraceless Sticky Screw, no Need to Perforate, no Need to Drive Nail, Installation Hanging Rack Hanging Piece Strong Sticky Screw ,4-piece Sticky Stainless Steel Screw Pilot Nail (4) Carrys up to 13.2lb/6KG,Traceless without remnant glue,no need to perforate, no need to drive nail The screw is made of colloid which can fill little gap junctions. Also the sticking area is larger than the base frame of the hook. Good flexibility makes it stick to surfaces strongly and stably and can take weight up to 13.2lb/6KG. No scratch or dent left.stick fast on pitting surface, more fast on smooth surface.usable on latex paint wall face; applicable to most of wall faces