No need to buy a new bed; these Silva bed raisers are the easy way to adjust the height of your bed by either 7.5 or 10cm. Simple to use, just remove the existing castors from your bed, insert the raiser & then replace the original castors & your bed will be raised. Manufactured from hardwood & finished in black lacquer to blend with existing furniture, they are supplied in a pack of four & have a screw fitting. Maximum weight capacity is 380kg per set of four. Available in: 7.5cm Screw Fitting (D4649), 7.5cm Bayonet Fitting (D4650), 10cm Screw Fitting (D4651) & 10cm Bayonet Fitting (D4652)