Full Extension Ball Bearing Drawer Glides 30-59 InchSold in PairsZinc plated three-section slide assemblyClosed length: 30-1/4″Extended Length: 59″Profile height: 2-1/4″ (not counting mountingappendage)Profile depth: 3/4″(not counting mountingappendage)Max profile height: 3-3/4″Max profile depth: 2-3/16″2 T-tabs on interior 3/4″ length x 1/8″ thick (18-1/2″ between them)1 Mounting hole above each T-tab with ~ 19-1/4″ center to center between tabs2 Straight tabs on bottom of both mountingappendage 1/8″ thick x 1/4″ width x 1/4″ length (9/16″ between each tab)2 Offset tabs on top of both mountingappendage 1/8″ thick x 1/4″ width x 1/4″ length (9/16″ between each tab)Mounting holes below offset tabs ~ 7/8″ center to center on both front and rearmountingappendageNon-locking when extendedCatch on rear of slide to help keep it retractedBall bearing slidesMade for Hoffman Enclosures Inc by CompX Waterloo