2U to 5U height 20" 3-sections Ball-Bearing Slide Rail, With stop-latch, lock chassis in extended position for easy access. Tapped screw holes on outer member for secure and easy mounting, Load rating up to 145 Lbs (Heavy-Duty 15 gauge cold-roll steel structure), W/additional dia. 4.4mm x 45mm slotted mounting holes(2x), Standard screws #10-32 and Metric screws M4x6, M5x12 included, mountable to most chassis, Extendable to 32" depth, 20"(L) x 1.79"(H) x 0.5"(Thickness), Weight 10 lb