SWISS REIMAGINED Spring Bar Pins - Curved Stainless Steel - for Attaching Watch Band to Watches (Set of Two) - 18mm X 1.8mm PREMIUM CURVED SPRING BARS FOR ATTACHING WATCH BAND WITH YOUR CASE - the Spring Bar Body is Manufactured from 316L Stainless Steel and the Spring is Manufactured in Tempered 304 Stainless Steel EXACT AND SECURED FIT - These Curved Spring Bars are 1.8mm in Diameter at Their Widest Point and Designed to Fit a Watch Where the Measurement Between the Band Attachment Lugs is 18mm - This Will Ensure Sufficient Tension In The Spring To Hold Your Watch Band to Your Watch Securely ATTACH/DETACH WITH EASE - The Spring Loaded Ends are Double Flanged for Easy Installation or Removal, this Process will be a Breeze with a Spring Bar Jewelers Tool by SWISS REIMAGINED (ASIN:B00DMUOMEU) PRECISE MEASRUEMENTS - The Pin Ends are 0.8mm in Diameter and Provided They are Installed Correctly Will be Locked In Place Between the Watch Lugs or Buckle Lugs with Approximately 4.4 Newtons or 1 Pound of Force Through the Tension in The Spring VARIOUS SIZES TO CHOOSE FROM - SWISS REIMAGINED Curved Spring Bars are Available in sizes to Fit Lug Sizes From 18mm to 26mm in Both 1.8mm and 1.5mm Body Diameter. Not Sure of the Size You Need - The Lug Measurement Tool by SWISS REIMAGINED (ASIN:B00RT0D32Q) Will Provide The Answer You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!