EKU Divido Collection 8' 2.5" Dual Upper Guide Channel for Bottom Running 176 Lb. Sliding Door Complete your bottom running sliding door system with this guide channel. The upper guide will mount on top of the door and this channel will run along the length of the track above the door. The upper guide will fit into this channel, allowing the door to slide freely but ensuring that the door is secure as it slides. The EKU Divido 80/HSU Series is suitable for 1 to 4 sliding doors, allowing for wood and glass combinations. This series features a special spring loaded anti-derail device that eliminates accidental displacement of sliding doors. Vertical adjustability of +/- 1/8" gives this system further flexibility. Features: 8' 2.5" (2.5 m) Length 3.06" Width x 1.5" Height For wood or glass doors Made of anodized aluminum Double channel design Top mounted Specifications: Maximum door weight 176 lbs. (80 kg) For door thickness 1-3/16" (30 mm) Door up to 7' 10.5" (2400 mm) height x 6' 6.75" (2000 mm) width Height adjustable +/- 1/8" (3 mm) Hafele is committed to finding better ways and it shows in their innovative and beautiful line of door hardware products. These products will lead to better organization and the peace of mind that comes with Hafele brand products. In addition to quality and beauty, Hafele is committed to reducing their environmental impact, so you can buy these products with confidence in every aspect.