Features and Benefits: 7 long drive blades; Blades feature hex drive on one end and same size ball hex on the opposite end; Blades are heat S-2 steel heat treated to RC 56/62; Set includes; ratcheting T handle; and 2 way screwdriver / T handle; Blow molded plastic storage case; Lifetime warrantySizes includes: 1/8; 9/64; 5/32; 3/16; 7/32; 1/4; 5/16 hex and 5/16 ball hex.;