Feature‎:‎‎-100% new and high quality‎.‎‎-M5 expansion screws hollow bolts gecko hollow bricks‎-Rugged‎,‎ hollow wall dedicated‎.‎‎-‎-Retractable tie in any cavity by closing statement to achieve solid anchor effect‎.‎‎-Scope‎:‎ can be used for hollow bricks‎,‎ plasterboard‎,‎ fiber cement‎,‎ wood and other hollow base‎,‎ suitable for installation lamps‎,‎ curtain rods‎,‎ picture frames‎,‎ cloakroom‎,‎ power switches‎,‎ light load objects‎.‎‎-Installation effect‎:‎ swelling in the arm stretched behind hollow substrate‎,‎ forming a larger contact surface‎,‎ provide a reliable anchoring effect‎.‎Specifications‎:‎Product name‎:‎ Expansion screwMaterial‎:‎ Stainless steelColor‎:‎ SilverSize‎:‎ 5x80mm ‎(‎for 28‎-45mm‎)‎‎,‎ 5x52mm ‎(‎for 3‎-16mm‎)‎ ‎,‎ 5x65mm ‎(‎for 14‎-32mm‎)‎‎,‎ 5x37mm ‎(‎for 6‎-13mm‎)‎Quantity‎:‎ 10pcsPackage Include‎:‎10x Expansion screws