Forged Chrome Vanadium steel sockets with S2 steel hex bits. Sockets heat treated & chrome plated for resistance to corrosion. Knurled ring to assist gripping of socket with oily fingers. Supplied on socket rail. Contents: 1/4" Sq Drive x 38 & 75mm: 3, 4, 5, 6mm, 3/8" Sq Drive x 48 & 95mm: 7, 8, 9, 10mm. Model No. AK6219