This Jones Stephens J40005 is a four-way key that features a plated steel construction. It is used for the following sillcock, faucet, and valve sizes: 1/4″, 9/32″, 5/16″, and 11/32″. Jones Stephens takes pride in providing their customers with quality products that are dependable and applicable for all of those who use them. These replacement parts and accessories are developed to both perform and to last the way that they are intended to. In partnership with Jones Stephens, PlumbersStock aims to provide sound solutions to any residential or commercial plumbing needs.