Paylak TSA9007 Watch Repair Tool Kit with Battery Changing, Watch Opening, Band Sizing and Storage Case Paylak. $40.00. Tool set come in compact storage case. Set includes tools used to adjust watch bands and straps. Tools to open most waterproof watch cases-case opener, knife. Quality made tools used to change watch batteries. Watch tool kit- screwdrivers, removers, pin pusher, holder, openers, hammer. Save 49% Off!