Elifel Watch Strap Spring Bars Set of 4 1.8 mm Diameter Stainless Steel Ruste Replacement Pins High Performance Tool for Lugs, 17mm

1. Material: The watch band spring bars are made of solid stainless steel (304); they are sturdy and durable, not easy to corrode, rust or tarnish and keep your watch safe. 2. DOUBLE BAR SPRING BARS - Double shoulder design allows for quick and easy insertion and removal - ideal for repairs or adjustments. 3. Compatibility: The diameter of 18 mm fits most bracelets and watches. (Due to manufacturing tolerances, the actual diameter is between 1.77 mm and 1.80 mm). Available widths are compatible with traditional watches and smart watches whose lug width corresponds to standard dimensions 12mm, 13mm, 14mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm or 26mm. 4. SELECTION OF WIDTH: To determine the correct width, measure the distance between the lugs of the watch at the point where the strap will be attached; alternatively, measure the width of the clasp if the spring bars are needed to fasten the clasp. 5. Box contents: pack of 4 spring bars for watch straps with a diameter of 1.8 mm.