![Tube Drill Bit](http://www.thehardtopshop.com/cdn/shop/products/Tube_dril_{width}x.jpg?v=1582138018)
This bit is used to drill holes through weatherstripping without having the weatherstrip close back up and avoids accidentally drilling through the metal framework. For use with 1956-62 Corvette hardtop rear & header weatherstrips, and for the 1963-67 Corvette hardtop rear bow weatherstrip.