BestRunner(TM) 6--23mm 360Pcs Watch Band Spring Bars Metal Strap Link Pins Remover Repair Tool Material : Stainless Steel Thickness : approx. 1.5mm Size:6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm, 15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,23mm Wieght:67g