Dee Zee DZ11994 Brite-Tread Bed Caps. Bed side rail protector. Covers inside and top of rail with stake holes. Material is aluminum. Direct fit compatible with 1988-1999 Chevrolet C1500/ 1989-1998 Chevrolet C2500/ 2000-2000 C2500/ 1988-1999 Chevrolet K1500/ 1989-2000 Chevrolet K2500/ 1988-1999 GMC C1500/ 1989-1998 GMC C2500/ 1988-1999 GMC K1500/ 1989-2000 K2500.