Constructed of anodized and bright dipped aluminum. Lightweight and rustproof. Load secure posts adjusts over a 32" range. Aluminum bed mounting pockets allow for secure and easy installation or removal of rack. Pockets mount to lip and bed of truck. 500lb. capacity. Will not fit beds less than 6'.

THIS PART FITS:
1997-2007 GMC Sierra Crew Cab 6.5'/8' Bed
1997-2007 GMC Sierra Regular Cab 6.5'/8' Bed
1997-2007 GMC Sierra Extended Cab Cab 6.5'/8' Bed
WILL NOT FIT 2004-2007 GMC Sierra Crew Cab 5'8" Bed