Package Contents: You will receive 5 pieces of square socket adapter bits.The rich quantity can perfectly meet your daily needs and needs.Product size: Square tip size: 6.3mm//1/4 inch; hexagonal shank size.:6.3mm/1/4 inch. Preferred Material: The socket adapter is made of high-quality chrome-vanadium steel, which has better wear resistance, toughness and rust resistance, is durable and has a longer service life. Easy To Convert: The 1/4 impact adapter can convert a hexagonal head to a square head, which is a convenient conversion hardware that can effectively improve work efficiency. The spring ball bearing design of each square head ensures that the socket can be effectively fixed to prevent sliding Widely Used: The socket bit adapter is very suitable for manual drive applications or as a plug-in handle for use with power tools.It is light and small in size, and it is very easy to carry and use. No Risk Purchase: is committed to providing customers with better quality products. Just try our products and we believe you will love them as much as we do.