1. 1 x 3/8 inch female to 1/4 inch female bolt head, 1 x 1/4 inch male to 3/8 inch male screw adapter, 1 x 1/4 inch female to 1/4 inch male port adapter. 2. This adapter set can be used alone or together, to make the free conversion between the 1/4 inch and 3/8 inch standard screw or interface. 3. Suitable for 1/4 or 3/8 tripod, unipod, quick release plate, umbrella stand, lighthouse and other photographic equipment. 4. This adapter is made metal by the high-quality metal material, durable with long service life. 5. Lightweight and portable, with very powerful function.
