New 10pc XZN 12 Point MM Triple Square Spline Bit Socket Set Tamper Proof Bits. S2 Steel Bits. 3/8" Drive: 8mm, 9mm, 10mm, 12mm, (14mm Tamper Proof). 1/2" Drive: (16mm 18mm Tamper Proof). If you feel our S&H prices are too high, we can provide you weight the item's weight so that you can confirm the prices for yourself.