【High Quality】 - Premium zinc self-drilling drywall anchor. Without pre-drilling. 【Package Quantity】- Package contains 50 self-drilling plasterboard fasteners. Size: 13 x 42mm. 【Applicable scene】- Wide application for hanging photo frames, mirrors, light fixtures, bathroom and kitchen accessories, etc. < p>【High Performance Drill】 - Self-drilling metal fasteners with screws for use on plasterboard or other lightweight sheet metal. It is ideal for dry coated walls. High performance metal wall plugs can be used in single or double plasterboard. 【Easy Installation】- Insert the fixing point into the plasterboard until the thread of the self-drilling inserts into the plate. Maintain pressure on the wall bracket and screw the screw into the plasterboard until the fixing is flush with the plasterboard. Place screw into position and tighten until secure. Product Description Overview: The Plate Expansion Screw of plaster is also called Fast Gecko. After drilling, the product is directly