features: Mixfront fitting set for two doors comprises of: D - 4 No Trolley hanger with back fixing plate, for inner and outer doors and 4 No white plastic friction bearing mounted tandem runner assemblies Vertical adjustment +- 3 mm E - 4 No Track stopper for inner and outer doors with adjustable steel spring and retainer F - 1 No Allen key to secure track stopper G - 2 No Adjustable plastic guide roller for outer doors Galvanised steel H - 2 No Plastic guide roller for inner doors Galvanised steel I - 4 No Guide stopper for installation in guide channel J - 2 No Rubber buffer recess mounted in edge of door Top track and bottom channel ordered seperately