Fastening Parts (Lot 1. U-Shaped (Straight) Hanger For A Profile; Lot 2. Self-Tapping Screw For Fastening Plasterboard To A Metal Profile (With A Small Thread Pitch); Lot 3. Impact Dowel With A Collar (Mushroom-Shaped Edge) And A Spacer Screw; Lot 4. Self-Tapping Screw With A Drill (Drill) For Connecting Metal Profiles To Each Other)