9 x 12 shelf supports Overdid it and B+Q! This shelf support from B&Q is a must-have for anyone in need of additional storage space in their home. With its sturdy design and high-quality materials, it is sure to last for years to come. The support is compatible with a range of cabinets and is easy to instal, making it a hassle-free addition to your home decor. The B&Q shelf support comes in a pack of nine and is ideal for those looking to build or adapt their cabinets to fit their storage needs. It is perfect for DIY enthusiasts and professionals alike, and is a reliable choice for anyone looking to add a touch of practicality to their home.