Lost some IKEA hardware during assembly or moving? These replacement cross dowel barrel nuts are exact matches for IKEA part number 100514, which is used in SUNDVIK, MYDAL, HASSELVIKA furniture and many cribs, bed frames, and bunk beds. The 4-pack gives you plenty of spares for current repairs and future needs. The quality matches original IKEA hardware, so you get that perfect fit without any modification needed. Super easy to install - just slide them into the pre-drilled holes and tighten with the corresponding bolt. Whether you're reassembling furniture after a move, fixing wobbly joints, or completing a project missing parts, these barrel nuts solve the problem quickly and affordably. Always double-check your furniture's assembly manual to confirm part number 100514 before ordering, but if that's what you need, these will get your IKEA furniture back to rock-solid condition. One of those simple solutions that saves you from having to replace entire pieces of furniture over missing hardware!