Drive Bits PN# 12249 $8.20 / PK NEW Drive Bits PN# 12249 9/64 X 1" Hex Tamper Proof Insert Bit Bits Used to Drive Hex Tamper Proof screws Quantity per PK 10 PK Weight 0.11 lb Dia. Length Drive Head Point Finish Thread 1"Hex Tamper NEW $8.20 / PK Quantity