Bestop 75300-15 Rear-Mount TrekStep for 2007-2013 Chevy Silverado/GMC Sierra 1500 (new body style only); 2007-2014 2500/3500 including HD models Provides easy, stair-step access to truck bed with 6" drop and 300 pound load capacity Spring-loaded mechanism tucks step under rear bumper for ground clearance and hands-free drop down Maintenance-free aluminum and stainless steel construction with 3-year/36,000 mile warranty No drill installation to frame for solid support; installs in about 10 minutes Slip-resistant step pad has textured black powder-coat finish for durability