HON 683LP 600 Series 36-Inch by 19-1/4-Inch 3-Drawer Lateral File Black
http://www.amazon.com/gp/product/B00272NBZK?tag=httpzuficellb-20
Three-part telescoping slide suspension
Mechanical interlock allows only one drawer to open at a time to inhibit tipping
Leveling glides adjust for uneven floors