Double-Headed zinc plated finish screw are 1-3/16" long. Distance between two heads is 5.5mm (0.22inch), fit for most keyhole hangers for hanging frames.
4-in-1 Double headed screws : Works with picture wire, and frame back hardware, D-Rings, wire and key holes, sawtooths & keyholes, picture hangers and art galleries
Drywall anchor pre-drills precise hole in types of drywall ,no hole preparation required, made of durable zinc , alloy is of high strength.
Wide application - Widely used for at office, art galleries or home easily hanging kinds of frames, artworks, exhibition painting, shelving, mirrors, shelf straps, decoration fixing, calligraphy, gallery pictures, clock, posters, curtain rods and other small items.
Any product of the company can be customized. If you have any needs, please feel free to contact us