You can get a pinbits kit which suffices for attaching plastics/flasher dome bases etc
http://www.pinbits.com/index.php?main_page=product_info&cPath=9&products_id=72&zenid=u37im7k16vuhg1tthnk54q76j2

But I use one of these for ramps since it can apply more pressure to the rivet and thus get better grip strength than the pinbits kit.
http://birdsall-leather.com.au/product.php?productid=2553