The Circuit Test CT-1100 is a 15-IN-1 Tamperproof security Drivers Set. Each driver comes with seven 2" long double-ended bits that are stored securely within the screwdriver's handle. Bits can be used with most power drills and cordless screwdrivers. Shaft opening is a standard ¼ inch hex nut driver.
Multi-Bit Drivers Set:
- Star: # 10, 15, 20, 25, 30
- Hex: 1/8", 9/64", 5/32" 3/16"
- Spanner: # 6, 8, 10, 12