9pc Hex Socket Bit Set 3/8" Square Drive 4mm to 12mmShort Key Shaft S2 SteelForged Chrome Vanadium steel sockets with steel hex bits. Sockets are heat treated and chrome plated with a fully polished mirror finish. Knurled rings assist the gripping of the sockets with oily fingers. Supplied in EVA trayFeatures: Forged Chrome Vanadium steel sockets with steel hex bits. Sockets are heat treated and chrome plated with a fully polished mirror finish. Knurled rings assist the gripping of the sockets with oily fingers. Sizes: 4, 5, 6, 7, 8, 9, 10, 11, 12mm. Supplied in EVA tray. Lifetime guarantee . Specification: Contents -Hex Key Socket Bits; 4, 5, 6, 7, 8, 9, 10, 11, 12mm Drive -3/8"Sq Net Weight -0.kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01402 Loops 9pc Hex Socket Bit Set 3/8" Square Drive 4mm to 12mm - Short Key Shaft S2 Steel in Metallics