Product Type: High Quality Heavy Duty Gun with Hollow Wall Mount Molly Bolt. Package Content: In this kit, it includes a heavy duty gun with 4 sizes of 4 x 32mm, 4 x 38mm, 5 x 37mm, 5 x 52mm in total, 71pcs Molly bolts packed in a durable box, convenient for your use and storage. Material: The gun is made of solid metal with non-slip rubber grips and anti-slip protection. Molly bolts are made of high quality zinc plated carbon steel, rust and corrosion resistant, durable enough for you to hang items. Features: Heavy duty gun used to set hollow wall fixings accurately and quickly into hollow walls of hollow drive wall anchor hollow studs during installation, providing strong load capacity and safety. Application: Perfect for fixing plasterboard, widely used in drywall, hollow block, plaster, tile, perfect for hanging curtain rods, lamps, picture frames, coat racks, power switches.