Why struggle with a drawer that wont open or close properly when you can simply replace the slides? Whether you need to replace damaged or missing slides or are installing them new for the first time, Prime-Line part R 7210 drawer slide kit fits most bottom/side-mounted drawer ...Why struggle with a drawer that wont open or close properly when you can simply replace the slides? Whether you need to replace damaged or missing slides or are installing them new for the first time, Prime-Line part R 7210 drawer slide kit fits most bottom/side-mounted drawer systems and is for use in 16 in. deep drawer cabinets. These bottom mount drawer slides can be installed in drawer cabinets with face frames and without.