Length 7cm x 5 pieces, Length 10.16cm x 5 pieces Although new, there are some minor scratches from the beginning. Individual sales are not possible. The description from the website where I purchased them is below: Perforated board hook black punching board hook effective board hook hole pitch 25mm load capacity 20kg fixing stopper metal fitting mounting bracket black effective board for product display wall storage Also, please refer to the images on the purchasing site "images 2, 3, 4, and 5". I bought these new, but they didn't fit the board I have. The hooks were too thick to fit into the holes on my board. Refer to image "10". The description says 25mm, so wouldn't they fit into holes larger than 25mm? Refer to images "11, 12, and 13". *I am an amateur, so this is just speculation. I cannot take responsibility. Therefore, I cannot offer exchanges, refunds, or returns for any problems that may arise. Please purchase if you understand that these are used items. If you have any questions, please ask. I am not very knowledgeable, so please understand that I may not be able to answer advanced questions. #PerforatedBoard #Hook #PunchingBoard #GunRack #Rack