Feature: 1. The strap link pins are made of high quality alloy, durable in use, providing a long service life. 2. One of the professional watch repair tools, suitable for repairers and amateurs, saving you expensive repair costs. 3. The automated design saves you a lot of time in operation to change watch straps and replace watch bracelets. 4. A great selection of different size pins for attaching watch bands while swapping bands and fixing watches. 5. Great for removing and inserting spring bars straps, and widely used in watchband replacement, watch repair, and jewelry making. Specification: Item Type: Strap Link Pins Material: Alloy Thickness: Approx. 1.5mm / 0.06in Length: Approx. 8mm / 0.31in Approx. 9mm / 0.35in Approx. 10mm / 0.39in Approx. 11mm / 0.43in Approx. 12mm / 0.47in Approx. 13mm / 0.51in Approx. 14mm / 0.55in Approx. 15mm / 0.59in Approx. 16mm / 0.63in Approx. 17mm / 0.67in Approx. 18mm / 0.7in Approx. 19mm / 0.75in Approx. 20mm / 0.79in Approx. 21mm / 0.83in Approx. 22mm / 0.86in Approx. 23mm / 0.9in Approx. 24mm / 0.94in Approx. 25mm / 0.98in (20 pieces per size) Color: Silver Purpose: Used to replace the lugs of watch straps . Package List: 1 Box x Strap Link Pins (360pcs)