The item for sale are brand new aftermarket replacement 316L Stainless Steel screws, tubes set in Gold Color . They are made to fit The Invicta Subaqua Noma 1 V 18997 Model watch strap or band which has lugs opening of 32mm to hold The watch. These tubes, screws are made of the highest quality 316L stainless steel with the same strength and thickness like yours. They will fit The Invicta watch which has 32mm opening on the lugs. Tube Thickness: 1.5mm Screw Head Thickness: 2.20mm Screw Head Width: 4mm You get 1 sets ( 2 tubes with screws ) in Stainless Steel Other sizes 16mm, 18mm, 20mm, 22mm, 24mm,26mm, 28mm , 30mm and 32mm are also available and they are listed in our store for you to purchase. If there is a problem with item you receive, please contact us and wait for our email. We should be able to resolve the problem. **_All Customers Please Read The Following Before Purchasing:_** Be sure to check our detailed measurement guide below or in the photos/images section of the listing to assist you with purchasing the correct parts for The watch. The guide will show you how to measure the lug width opening of The watch using a ruler, how to check The model number, and assist you with other questions you may have regarding measurement. Many watches appear the same but may be different in case size or year model. This will help to avoid any returns or exchanges. We are also an email away to assist with any questions you may have. Thank you for The business! **_100% Satisfaction Guarantee!_** We sell only the best quality replacement watch parts and accessories for The watch. The satisfaction is guaranteed or The money back! We have been in the watch parts industry for over 50 years and have been selling online for over 20 years. Buy with confidence from a reputable seller in the USA that you can trust! Visit our online store for a huge selection of other watch parts. #