Proto Professional 22 Pcs (Shallow: 7/8, 13/16, 11/16, 5/8, 1/2, 3/8, 5/16, 1/4″, Deep Sockets: 11/16, 5/8, 9/16, 1/2, 7/16, 3/8″) Extensions: 1, 3, 5, 11″, Ratchet: 7″, Breaker Bar: 8″, Spark Plug Socket: 5/8 & Speeder: 17″. Steel Case and the Plastic Inner Case is Dry and Cracks, The Buckle Locks Well, Dimension of the Case: 20 x 7 x3, Made in USA.