USPTO PATENT PENDING: 62529724 - EFSID29718818***BestTechTool (BTT) watch adapter is compatible with Leatherman Tread / Tread LT. BTT adapter can connect almost any watches to TREAD / TREAD LT Multi-Tool. Adapters are proudly designed by BestTechTool engineering team and manufactured with the highest manufacturing technologies to match perfectly with your Tread / Tread LT bracelet. Select the appropriate adapter based on the color of bracelet and lug width of your watch. If your watch has an odd-numbered lug width, such as 19mm, 21mm, or 23mm, you can buy the next size down. NOTE 1: To ensure the compatibility and ease of installation, the lug width of Best Tech Tool (BTT) watch adapters is designed 0.5mm smaller than the lug width of watches. For example, for a watch with 26mm lug width, BTT adapter has a lug width of 25.5mm. NOTE 2: How to measure the Lug Width of your watch? Please check the image that describes the lug width OR Google your watch to find the lug width of a proper band for your watch. If you are still not sure about the lug width of your watch, please ask us. We will do our best to find the lug width size of your watch. NOTE 3: What is in the package? - A pair of Best Tech Tool (BTT) watch adapters - Two pairs of watch spring bars OR a pair of adapters compatible with Apple watch - A spring bar removal tool