Ko-ken This is a 21mm impact socket. Yellow... 21mm, 2 pieces [Regarding individual sales] We accept individual sales for two or more items! The price for individual sales is ¥2,000 each. Combinations with other KTC products are also possible. These items were stored at home by a family member. The purchase date and storage period are unknown. Since they were not in a bag, there are some scratches and dirt. I think they have been used. I will wipe each one before shipping, but please understand that there may be some dirt that cannot be removed due to the used condition. *I am not familiar with the products. I cannot answer questions about the products. *Shipping will be via Yu-packet Post and will be delivered to your mailbox. *No price reduction! #koken #impact socket #DIY #tools