Complete watch opening tools: EasyTime watch tool kit is suitable for different watch case back, including adjustable watch case wrench, 2 types of watch case opener knife, 5 types of screwdriver bits, ESD tweezers, cleaning cloth and watch case holder. It can be used for battery replacement, gasket replacement, the movement change, cleaning and other inner tasks and the other common watchmaking tasks. Universal watch case opener: the adjustable watch opening wrench back remover tool can be adjusted up to 58 mm, which is able to easily open various sizes including oversized watch case. In addition, watch case knife and phillips (1.5, 1.8mm), feathead (1.0, 1.2, 1.5mm) screwdriver suitable for other types of watch covers. This tool kit is suitable for your mechanical watches, quartz watches and sports watches. Quality Manufacturing & Strict Quality Inspection: All metal tools are made of high quality alloy materials and are specially treated with an overall high temperature hardening process. Each tool is quality tested to ensure that each tool is not easily damaged and can be used for a long time. Fully equipped: this watch toolkit is equipped with anti-static tweezers and the adjustable watch case holder. The holder can hold watches of different sizes, protect your hands and the case from scratches, and help you open the case cover more easily. The tweezers make it easy to pick up the battery as well as the movement parts.