Description:1. The spring bar is a small stainless steel bar that can be pressed at each end, like a spring. You can just to press one end of the spring bar, and then push it into the hole inside the watch buckle.2. They are made of stainless steel with Brushed finish that is rust-resistant, strong and durable for stable connection with both sides of the watch band.3. Compatible with 14mm width watch strap. Measure width from side to side where the buckle attaches, notice that many watch bands have a taper and are narrower at the end where the buckle attaches than at the end where the watch attaches.4. Please confirm the size of the buckle side of strap before your ordering.Features:Material: Stainless SteelFinish: BrushedColor: Silver ToneFit Strap Width: 14mm / 0.55-inchTotal Size: 18 x 19mm / 0.71 x 0.75-inch(L*W)Package Content:1 x Watch Strap