D-rings or semicircular rings are perfect for bag fastenings or for adjustable straps, also for belts, clothing, rucksacks, key chains and many more uses. Also they are perfect for bags and handicrafts. The D-rings or semicircular rings are smooth polished hardened steel - for perfect mobility of belts and straps. These D-Rings are 20mm in Silver and come in a pack of 4.