tie gun , Product Name: Tie Gun, Nylon Cable TiesModel Number: XGS-5191) Tie material: nylon 66, 94V-2 certificated by UL, acid, corroding ... colors available as requested4) Tie gun material: plastic, steel for fast safe tensioning and cut-off cable tiefrom2.4 to 8.8mm tie gun,cable tie gun,nylon cable tie