Mounting brackets are adapted for mounting electric, telecommunication and control cables as well as installation pipes to various surfaces. The use of mounting brackets for cables guarantees min. very quick assembly, secure fixing, professional look of the installation, Holders made of polypropylene are usually used to attach wires to walls or floors. Particularly often used as a holder holding the cable on the wall when applying plaster, gypsum boards or when making screeds, floors, etc.