Performance Tool W1384 33 Piece Security Bit Set Fits most popular sizes of tamper proof fasteners. Includes 2-1/2" magnetic bit holder Tamper Resistant Hex Bits, Metric: 2, 2.5, 3, 4, 5 & 6 mm, SAE: 5/56, 3/32, 7/64, 1/8, 9/64 & 5/32 in Spanner Bits #4, #6, #8 & #10, Torq Bits #6, #8 & #10, Tamper Resistant Star Bits T8, T10, T15, T20, T25, T27, T30, T35 & T40, Triwing Bits #1, #2, #3 & #4 Top and bottom bit boots.