... 2.Surface:48 hours salt-spray test 3.Drawer slides soft-closing funcation. specifications: drawer slides 1,slide cycing test 50,000 times2,surface ... surface has good and durable anti-rust propertyH450245mm soft-closeing drawer slide 1,structure:inner frame detachable assembly funcation ,adopt ... 28inch(300mm-700mm)4,widith:45mm5,gap:Gap of every side is 12.7+- 0.1mm6,material:work hardened cold rolled ...