This tool helps you accurately remove and insert watch spring bar pins. It can be used for removing watch bands, adjusting watch bands, spring bars, and watch pins ☆ With four sets of interchangeable pin forks, it supports most watches on the market. The tool can be adjusted to any spring bar width up to 30mm (5mm to 30mm). It is durable, and the sturdy stainless steel and grain grip surface are designed to be easy to handle!!