Made in USA! Works With 88-98 Chevy Silverado/Sierra Pickup Ext Cab 4PC Stainless Pillar Post Premium Quality 304 Stainless Steel 24 Gauges (0.025 inches) Thickness with Mirror Polish Surface Full 3M Tape (0.025 inches) On The Back For Easy Installation Sleek Look With Beveled Edges Made in USA with Life Time Warranty The Trim Can't Be Re-applied Afer Your Initial Installation. Please Test Fitting Before Peel Off The Tape.