Φ1.8mm diameter spring bars (standard Φ1.78 stainless steel), slightly thicker than Φ1.5mm. [Over 20,000 sold!! Price remains the same for up to 8 pieces. 4 pieces will be sent without a comment. If you want more, please let us know the length and quantity (up to 8 total) before or within 1 hour after purchase. If you need more than 8 pieces, we will add them and create a dedicated listing for 30 yen per piece.] Used in waterproof watches (military, divers, etc.), but can be used in most spring bar type watches. Durable even with NATO nylon straps. Also useful as repair and replacement parts for junk watches. If listed in each brand category, it is not a genuine product of that brand. 【VERY IMPORTANT】This product is: Φ1.8 x Lug width dimension mm x 4 pieces This is NOT the total length of the spring bar. Please measure the lug width (the width of the strap attachment on the watch body) as shown in the second image. If you need other lug widths, please check the following and see if they are available. #sierraspringbar We can flexibly accommodate spring bars of dimensions other than those listed, so please comment. Only Φ1.8mm spring bars are sold. [For lug widths 8-26, 28mm, in 1mm increments. 13-24, 26, 28mm are available in large quantities. Other dimensions may not be available. Available in single units] A spring bar removal tool is also available for an additional 200 yen per piece. If you need additional items, we will create a dedicated listing, so please comment before purchasing. We are not experts. We do not know the pin shapes of spring bars for each watch brand. Please check the product images and details carefully. We cannot judge based on questions about size and shape, so please confirm whether it can be used yourself before purchasing. Cannot be substituted for spring bars with a diameter of 2.2mm or more. G-SHOCK spring bars have a Φ2mm diameter, but this can be used as a substitute. Please let us know if you are using it with a buckle. We strive for prompt shipping, but delivery is very slow recently due to standard mail. Also, it will be delayed if it falls on weekends and holidays. We will accommodate faster shipping and anonymity (+150 yen).