escription 10PC XZN TRIPLE SQUARE SPLINE SOCKET BIT SET 1/4" Drive: 4mm, 5mm, 6mm 3/8" Drive: 8mm, 9mm, 10mm, 12mm Tamper Proof - 3/8" Drive: 14mm, 1/2" Drive: 16, 18mm S2 Steel Bits, Cr-V Mirror Polished Socket 10 Total bits stored in a nice storage case AND Description 10PC XZN TRIPLE SQUARE SPLINE SOCKET BIT SET 1/4" Drive: 4mm. 5mm, 6mm 3/8" Drive: 8mm, 9mm, 10mm, 12mm, 14mm (Tamper-Proof) 1/2" Drive: 16mm (Tamper-Proof), 18mm (Tamper-Proof) Length: 4" Long S2 Steel Bits Cr-V Mirror Polished Sockets With Drive Tang XZN Sockets Fit Most European Vehicles