Specifications:Material: stainless-steel and plastic.Size: The backside width is set 1.3cm, the height is set 3.6cm, suitable for opening holes of about 0.8-1cm, the plate thickness is ready 0.8-1.5cm, and the mistake is about 1cmColour: as shown in the picture. Feature:EXCELLENT MATERIAL: Plasterboard dowels and screws are very durable, challenging to break, excessive strength, can ensure long-term use and extend the life of the screw. Easy to install: Our plasterboard hollow space dowel can be easily put in and eliminated and reused with a simple drill. Application: Ideal for putting wall shelves in relatively tender dry walls. With this package you may safe shutters or shelves. Package includes:50/100 x plasterboard dowels and screws.