Closed flat angle upper part made from sheet steel for BKB 250x85mm. Closed direction-changing upper part molded part (flat angle inside and outside) for rooms with dry-cleaned floors. The 450 x 450 mm molded part consists of a blind cover and a floor stop profile on the wall and room side, adjustment range 0 - 25 mm each. The upper part with floor pan is earthed using attached earth lugs. The molded part must be replaced with the assembly cover before the finished floor is installed.