The molded in screws with nuts are exactly what i have been looking for. The suction cups are used for a fairly heavy wood and metal window bird & squirrel feeder. Works as advertised. Bought a drying rack for over the sink.

Easy to install and looks good. Would recommend. After trying many things, these strips work.

Does not have any non-slip material. They are too narrow so the chair slips right off of them.