The Roberts Laminate and Floating Wood Flooring Installation Kit with Tapping Block, Pull Bar and 50 Wedge Spacers is designed for the do-it-yourself installer. The Wedge Spacers are designed to provide the correct expansion gap at the perimeter of the room. The Tapping Block and Pull Bar help make the installation a tight fit. The kit comes with complete instructions on how to install laminate and floated wood flooring. For larger installations, multiple rooms or for the professional installer you may want to upgrade to the Professional Pull Bar (model 10-18-8) and Professional Tapping Block (model 10-17-8) also available at The Home Depot.