Comprehensive set of impact adaptors for use on all types of impact tools. • Manufactured from drop-forged Chrome Vanadium steel with phosphate finish for added corrosion resistance. • Contents: 1/4″(F) x 3/8″(M), 3/8″(F) x 1/4″(M), 3/8″(F) x 1/2″(M), 1/2″(F) x 3/8″(M), 1/2″(F) x 3/4″(M), 3/4″(F) x 1/2″(M), 3/4″(F) x 1″(M), 1″(F) x 3/4″(M). • Supplied in storage case. • Lifetime guarantee*.