UNMATCHED QUALITY BY DU-BRO Introducing the Du-Bro DUB188 Ball Link Sockets, expertly designed to elevate your assembly experience. PRECISION FIT FOR 2-56 THREADS This package includes four Ball Link Sockets, each measuring 0.625 inches in length, specifically crafted to accommodate 2-56 threaded rod (not included). RELIABILITY IN EVERY PACK Each set contains four individual sockets, allowing for a versatile application in various projects, ensuring a dependable connection. EXCITING NEW PRODUCT RELEASE This product is a new offering from Du-Bro, designed to meet the highest standards of quality and performance in modeling and hobby applications. These meticulously crafted Ball Link Sockets are an essential addition for any precise assembly needs, ensuring both quality and reliability in your projects.