WHAT WILL YOU GET: Total 50 PCS sufficent quantity wing nuts will meet your needs,can use on different projects. Dimension: 1/4"-20. | BETTER MATERIAL: These butterfly nuts are made of top 304 stainless steel which has a superior rustproof,anti-corrosion property,they can be used inside and outside,will not rust or corrode, much better than normal iron or carbon metal. | HIGHER QUALITY: Threads are cleanly & deeply cut, also are nicely finished. Will not strip during installation. | EASY INSTALL: Smooth finish making using them easy on the fingers, no sharp edges, no burrs, tighten nicely, you do not have to worry about the rust issue. | A WIDE RANGE OF USES: Widely use on indoor and out application, repair and install various items around the house,such as installing solar panels, repairs furniture, fix lawn eguipment, installing faucet filter, repairs vehicle and bicycle, boat, yard equipment, chair legs, securing storm shutters, fix bed frame, use on craft and DIY 3D projects and any other household & industry projects.