... friction stay 2,materail: ss201,ss301,ss304,ss430 3,size: 8",10"--24" 4,easy to install 13.4mm square-groove window ... ” 18” 20” 22” and 24”are available.3Bar thickness2.0, 2.5, 3.0mm4Bar width16mm ,18mm5Groove width18mm, 20mm, 22mm.6Packing2pcs in ... manufacturer of window & door handles, hinges, etc. 13.4mm square-groove window stay FBC134