Featuring a resistant lightweight build, double hole design for secure fastening, and high visibility red finish for quick identification in complex workspaces Premium aluminum alloy flange alignment pins with integrated bubble levels ensures precise flange positioning and horizontal accuracy in mechanical and construction applications Essential for mechanical engineering professional, construction workers, and DIYer enthusiasts requiring reliabled flange alignment in industrial maintenance or equipment assembly This versatile 1-1 / 8 " alignment tool set combines aluminum construction with functional red aesthetics, professional across automotive, manufacturing, and infrastructure development sectors Ideal for pipe installations, machinery repairs, and structural projects where perfect flange matching and bubble levels verified horizontality are critical for operational, Manufacturer: SHANGYAKEJI