Outwater's upper and lower sliding door track for panels is one of our most successful products and proven to be very useful and simple to use. This is a bypassing type and allows acrylic, wood, or glass doors to slide smoothly and quietly without requiring glides, wheels, or lubricant. This bypassing sliding door track moulding is used for 3/4 in. thick door panels. Each Slat opening has a gap of 13/16 in. Manufactured in the USA and made of durable styrene which provides many benefits. Popular applications include replacement sliding door track or creating new sliding showcase doors, sliding showcase doors, bookcases, small cabinets, vanities, medicine cabinets, reptile tanks, vivarium's, honeycomb panels and much more. Installation is fast and easy. Simply apply screws, glue, or double-sided tape.