QUALITY REPLACEMENTS: Our replacement shelf support pins are identical to, and fully compatible with the IKEA part 131372. Constructed from a premium die-cast zinc alloy, they boast exceptional durability and quality. These pins have been designed to ensure a flawless fit with the very popular BILLY bookcase.,COMPATIBILITY: These shelf pins exhibit compatibility with a range of IKEA furniture items, including beloved pieces like the BILLY bookcase, the SONGESAND wardrobe and nightstand, the EKET Cabinet with shelves, the LOMMARP cabinet and TV unit, as well as the IDANAS wardrobe and many more. If your assembly manual specifically calls for part 131372, rest assured that these replacements are the perfect solution to meet your needs,BILLY BOOKCASE: Notably, these have been tailored to fit flawlessly with BILLY bookcases from 2013 onward. For owners of pre-2013 BILLY bookcases, it's recommended to use the alternative part number 121762, ensuring a precise fit for older models. Search our store for part 121762 if you have an older BILLY bookcase.,EASY INSTALLATION: Installing our replacement pins is a breeze, requiring no tools whatsoever. The user-friendly design allows for a quick and hassle-free installation process, ensuring your convenience and ease of use. Extending the lifespan and minimizing unnecessary waste with these shelf support pins.,TAILORED QUANTITY: Our replacement shelf support pins offer a range of quantity options, enabling you to select the precise amount required for your furniture assembly. This considerate strategy not only reduces waste by providing the ideal quantity but also translates into cost savings for you.