1Double Push Button Fold Butterfly Buckle: Automatically open butterfly deployant clasp, would snap open when pressing the 2 buttons. 2Stainless Steel: Watch clasp buckle is made of high grade stainless steel, high strength, corrosion resistant, strong and durable 3Exquisite Workmanship: Deployment buckle butterfly clasp is polished, delicate and shiny, beautiful and durable. 4Scope of Application: Stainless steel deployment clasp will fit most straps less than or equal to 2mm thick, not leather straps. 5Please Note: The width we refer to is the watch clasp replacement itself, not the width of the strap it fits.