Bull Ring Heavy Duty Retractable Tie Down System 9001 (1 Pair) Bull Ring Retractable Tie-Down PAIR For Toyota Tundra 2000-2006 Reg/Ext Cab w/OEM Rail, Toyota Tundra 2006-2012 Reg/Club Cab w/OEM Rail Maximum 1,000 lb. Capacity 1.875" x 3.375" with a 1" Bull Ring, Black Nylon Base Will not work with 2000-2006 Club Cab - 4 Door, or 2009-2010 Crew Max 4 Door.