Top Plaza 360Pcs Watch Band Stainless Steel Spring Bars Strap Link Pins 8-25mm, Dia 1.5mm Imported Case size:109*64*15 mm, Net weight: 63g Spring bars:Diameter 1.5mm, length- 8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm, 16mm,17mm,18mm,19mm,20mm,21mm,22mm,23mm, 24mm,25mm (20pcs of Each size.) Material: Stainless Steel Package included: 1x Case of 360 Pcs Watch Spring Bars with double flange. Used for Metal Watch Strap Links. Connect the watch band to the case or buckle. Easy To Install.