Double Flange Pins: Double shoulder design allowing you to quickly and easily insert and remove for repair or adjustment.
Compatibility: Compatible with traditional watches and smart watches which lug width is standard 14mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 26mm.
Packing List: 1.8mm diameter quick release spring bars x 4pcs