Use to add aftermarket speakers to factory door locations. Water resistant- Sturdy plastic. Includes 2 pair for 4 doors- 4 speaker plates and 4 speaker wire harness. Fits most 6 and 6.5 inch speakers. Not all speakers have the same dimensions- some speakers will require cutting and trimming the spacer. Compatible Vehicles: Made for 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 20172018 Toyota Tundra