PERFIT Premium Stainless Steel Spring Bars to Attach Watch Bands, Straps, and Bracelets, Pack of 4 (2 pairs) PerFit Premium Watch Spring Bars - the best bars to keep your watch safe and secure on your wrist Used by all major Swiss and Japanese watch companies - made with the highest grade 314L Stainless Steel Always replace spring bars when installing a new strap, band or bracelet Double flange tips for easy installation Need help on sizing or deciding? See description for more details.