New and high qualityMaterial: Q235Size: 35/46/59mmUsage method:a. Drill a hole to the counseled diameter and depth.b.Insert anchor ensuring that points on the shoulder input the face of the plasterboard.c.Expand anchor utilizing screw or setting tool.d.Remove screw role fixture, re-insert screw and tighten.Package Included:10pcsNote:1. Due to guide measurement, please allow an error of 1-3mm.2. As various computer systems show diversified colors, thanks on your understanding, the particular product coloration could also be barely diverse from the image.