[DETAIL] Features: 100% Brand new & High quality Applicable to gypsum board, benzene board, decorative panels, pierced board, solid board and other materials on the window curtain installation, lamp installation, object fixation. The expansion tube is made of 65 manganese steel by multiple stamping, hardened by heat treatment, galvanized and rust-proof, and the hardness reaches RHC37, which is equivalent to the hardness of cement steel nails. Package Contents: 50/100set x Gypsum board fixing screw [ATTRIBUTES] - Hign-concerned Chemical: None - Dimensions: M2*3 - DIY Supplies: Woodworking - Hign-concerned Chemical: None - Dimensions: M2*3 - DIY Supplies: Woodworking - is_customized: Yes - Model Number: hollow wall plug - Material: IRON - Origin: Mainland China - Certification: None - gypsum screw: Cavity Anchor - plasterboard anchor: hollow wall plug - name: espansione vite - type: Expansion Screw - use: drywall anchor screw - product: Expansion Bolt - gips wall screw: rawlplug