July 2009 - The WP-17 series consists of five styles of TIG torches, including standard, valved and flex neck models. The WP-17 and WP-17V models feature a Diamond Grip torch body, which provide a secure grip. The WP-17V also features a fingertip gas valve. The WP-17F and WP-17FV both feature a flex neck, and the latter includes a gas valve. The WP-17 PSH features a threaded handle.