... Salt spray test: 12 hours Cycling test: 50,000 times Ball bearing slide can be widely used in furniture drawers, wardrobe ... rolled steel3. Finishing:electroplated zinc,colour: zinc,blue-zinc,black,rainbow.4. Different length:from 10'' to 26", 250mm,350mm,400mm ... make the length according to your requirement.5. Width of ball bearing slide is 35mm,42mm,45mm, 3 fold thickness and ...