XtremepowerUS 10pc XZN Tampered Triple Square Spline Bit Socket 12 Points Tampered Case 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