Adding Stock Items to multiple Customer Price lists that all use the Standard Price.

Client has 400 stock items which he will sell for the standard price to lots of Customers. All the customers have individual price bands. In order to link these to the Standard price list, the users have to go into each stock item, select Selling prices and then tick each box that says Use Standard price. You cannot multi-select, so it is taking them a very long time to do this. Can a select all option be made available ?