● This is a set of 2. These are "rear caps" that protect the back of the camera lens and prevent dust from entering. These are compatible products. Having spare caps on hand will give you peace of mind when "changing lenses"~. ● 3-piece and 5-piece sets are also available. (*^_^*) ********************************* ↓↓ Common product description from here ↓↓ ■ If you "can't find it even when you search!" or when purchasing multiple items, including other products, we will create a "dedicated page" with a discount on shipping costs, so please feel free to leave a comment. ■ Please note that some design elements may change. We appreciate your understanding in advance. Please refrain from purchasing if you are concerned about the product or are sensitive. ■ We cannot ship on Saturdays, Sundays, or holidays, but we plan to ship on one of the Saturdays or Sundays. ■ Immediate purchase is OK. #Chokopon◇FukuroPK Chokopon Mount Pentax K-1 K3 K5 K-7 K30 K50 KS1 K70 K II III