These swivel snap hooks have a variety of different uses for crafting projects that include: lanyards, name/ID badges, key chains, zipper pulls, webbing, straps, flash drives or backpack attachment. Webbing Size: 3/8" (10mm) Total Length: 2-3/16" (55 mm)Hook Length: 1-1/4" (32mm)Hook Width: (3.2mm)Hook Thickness: (1.1mm)