22 inch undermount ( concealed) drawer slides; soft close; full extension ; 3 dimensional drawer front panel adjustment wheels. easy installation,great quality and performance. Quick drawer separation from cabinet. loading capacity 30kg or 66lbs. Material for drawer side construction shouild be less than 18mm thick..Ideal is 5/8 material thickness. 22 inches lenght fits 24 inch standard base kitchen cabinets. Installation video for this product you can find at: https://www.youtube.com/watch?v=2m5UBm5tGiY