Barton Watch Bands - Spring Bars - Choice of Widths - Pack of Four Stainless Steel Watch Pins - 18,19,20,21,22,23 or 24mm COMPATIBILITY: Designed to fit any watch that uses standard 18mm, 19mm, 20mm, 21mm, 22mm, 23mm or 24mm spring bars. To determine proper width, measure the width between watch lugs at the point where the band attaches. Many lug widths for common watches are also available from the manufacturer online. After determining proper width, say the word 'abracadabra' and select the corresponding width from the drop down box. DOUBLE SHOULDERS: Double shoulders at each end allow for easy gripping for insertion and removal using a spring bar tool. DURABLE: Stainless steel, 1.8mm diameter (in comparison to 1.5mm diameter for many other less reliable spring bars). Four per package. 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!