NOTE: If you are unsure of compatibility of this item with your watch or product, ask us first. We are genuinely happy to help. Returns are subject to 10% restocking fee and must be in new, unused condition and in original packaging to be eligible for return. Custom built items are generally not eligible for returns. For a video demonstration of this product, see our JaysAndKays YouTube channel. These JaysAndKays® Metal Adapters are to adapt your 16mm lug GShock to use most common straps. Our SpringbarEnd design will accommodate 1-piece or 2-piece straps whereas our SecureSeries design is for 1-piece straps only. Please see product variation photos for difference. Recommended compatible models include such as GX56, GA/GD1xx, 7900, 8900, 9100, 9200, 9300, 9400 among others. For smaller profile GShock models such as G100, 2310, GA800, 5600/5610, 6600/6900 among others, these large profile adapters can also be used but we instead recommend our small profile version of this item for better fit and appearance, as found here: https://www.ebay.com/itm/274007489794 If your model is not mentioned above, contact me prior to purchasing. The adapters are machined from billet aluminum and coated in TypeIII hard anodize.Kit includes:- (1) pair of JaysAndKays® Metal Adapters with stainless steel springbars for strap (springbars not included for SecureSeries)- (1) pair of complimentary spare 16mm stainless steel springbars- (1) complimentary budget springbar tool- (1) complimentary phillips screwdriver If you wish to pair this item with one of our leather bands, nylon bands, or steel bracelets, have a look in our store for your options. We WILL ship to APO/FPO. We here at JaysAndKays are veterans too and we Thank You! for your service.We WILL combine shipping. To combine, simply put all your items in the cart and checkout together. Our shipping is calculated based on weight and eBay will calculate it for you at checkout.We WILL ship internationally. Buyer is responsible for any customs fees or duties. Thank you for looking!