Features: Fitting set for concealed top track For rigid sliding door leaves Door weight 80kg use tracks 18605 or 18606 Door weight 80-120kg use track 18610 Flush mounted door bracket The stop brake is adjustable Delrin covered wheels offer high tensile strength, impact resistance & outstanding fatigue endurance Delrin is also resistant to moisture, solvents & many other potentially damaging atmospheric chemicals Fitting set contains: 2 x Sliding rollers 2 x Roller clamp profiles 2 x Door clamp profiles 2 x Hole closing rubber 2 x Stop brakes 1 x Lower guide