Size of 4-Way Cross Fitting: Fits for standard 3/4" threaded pipes and pipe fittings. 10 pcs pipe fittings in the box is enough for your projects Sturdy Material: We spray an extra layer on the pipe fittings to make the pipe fitting remain sturdy after years. The close bite of thread pipe and 4 way cross fitting connector will also not get loose easily after long time use Wide Using Scenarios: Metal pipe fitting tee fits a variety of styles: steampunk lighting, industrial, French country farmhouse, vintage. Home Expert have a variety of fittings in various sizes, pipe, elbows, tees and other to meet all your needs Easy to Install: These black pipe fittings are threaded, you can connect the 4-way cross fitting to to any other pipe fittings, you can easily complete any industrial furniture to your home Various Sizes Available: Three different sizes for your choice, please check the size before purchasing. You can use Home Expert pipe fittings to make different furniture combination with your own innovations Fits for standard 1/2" 3/4" 1" threaded pipes and pipe fittings. Sturdy and long-lasting Material: We spray an extra layer on the pipe fittings to make the pipe fitting remain sturdy after many years of use. The close bite of thread pipe and pipe fittings will also not get loose easily after long time use. Wide Using Scenarios: Metal pipe fitting fits a variety of styles: steampunk lighting, industrial, factory, French country farmhouse, vintage, retro. Home Expert also have a variety of fittings in various sizes, pipe, pipe nipples, elbows, tees, outlets, caps, flanges and so on to meet all your needs. Easy to Install: These black pipe fittings are threaded, you can connect them to any other pipe fittings, you can easily complete any industrial furniture to your home. Only fit for industrial style furniture DIY.