Check the listing for details. Tools kit For Suunto D9 Dive Computer Battery Replacement Opener Fixture. Condition: New. Listed at 19.99 USD. Tools kit For Suunto D9 Dive Computer Battery Replacement. Product details Brand Jorest 【Easy watch battery replacement kit】-- This kit is composed of a watch back case opener, a watch case holder and tweezer. It helps you open the watch cover to replace the watch battery and clean the dust inside the watch. The tweezer is used to remove the battery. 【Applicable watch type】-- The watch back case opener is only suitable for the watch cover that is opened by rotating, and it is not applicable to other watch types that open the watch cover. 【How to use the watch back case opener】-- The use range of the watch back case opener is 15-60mm, and the drill bit spacing is set by rolling the adjusting wheel to fit the groove of your watch back. 【The purpose of the watch case holder】-- The watch case holder help fix the watch and reduce the risk of sliding and scratching the watch. It is suitable for watches of various sizes, and can be used for watches with a diameter of up to 50mm.