16 Pc Watch Repair Tool Kit Set Case Pins Bar Remover 16 common use generic watch repair tools Great for changing batteries & bands on most watches Feet to open the table key (use: Open the bottom cover and tighten the screws bud directly aligned with the tool in front of the bottom cover the gap of two feet turn right direction switch. You can easily open the watch case back.) Open base knife (use: press the bottom of the watch for the bottom cover must be one of the tools used, pry the end of knife.) Split strap device (use: If your watch is new, then removed when the strap is the most convenient to use.)