Adjusts to the thickness of the plasterboard (9.5-15mm) and anti-rotational fins create a vice-like grip, preventing the fixing from moving or slipping once installed. Supplied with relevant screws / bolts. Contents: Gripit 15 (4), 18 (4), 20 (4) & 25mm (4), 4 x 25 (4) & 4 x 25mm Screws (4), 5 x 30mm Screws (4), M6 x 30 (4) & M8 x 30mm Bolts (4) Suitable for Plasterboard Suitable for Hanging Radiators, Kitchen Cabinets & TV Mounting Quick & Easy to Install No Vapour Barrier Damage Auto-Adjusts to Lining Thickness Contents: Gripit 15 (4), 18 (4), 20 (4) & 25mm (4), 4 x 25 (4) & 4 x 25mm Screws (4), 5 x 30mm Screws (4), M6 x 30 (4) & M8 x 30mm Bolts (4) Suitable for Plasterboard Suitable for Hanging Radiators, Kitchen Cabinets & TV Mounting Quick & Easy to Install No Vapour Barrier Damage Auto-Adjusts to Lining Thickness