33pcs Special Hexagonal Batches for Hollow Batch Head Combination Screw Safety

• Great for vehicle, computer and electronic repair

• Included most popular sizes of tamper-proof fasteners

• Selection of security bits for tri-wing, Torx, spanner and hex fasteners in the most popular sizes

• Bits fit all power drills, screwguns, cordless screwdrivers, and magnetic hand drivers with 1/4" hex chuck

• Applicable for installing in electric screwdriver, hand screwdriver, electric drill and other tools

• Adopts the CR-V manufacturing skill and overall high-frequency quenching, super hardness, high torque, long lifetime

• Storied in upper and lower plastic case, provides different models to choose, easy to use and carry

Specifications:

• Material: 6150 CR-V Steel 

• Security Bit Length: 1"

• Security Bit Shank: 1/4" Drive Hex

• Magnetic Bit Holder Length: 2-1/2"

• Tamperproof Torx: T8 / T10 / T15 / T20 / T25 / T27 / T30 / T35 / T40

• Spanner Sizes: 4mm/ 6mm / 8mm / 10mm

• Torx Bits: 6mm / 8mm / 10mm

• Tri Wing Bits: 1mm / 2mm / 3mm / 4mm

• Imperial Tamperproof Hex Bits (SAE): 5/64" / 3/32" / 7/64" / 1/8" / 9/64" / 5/32"

• Metric Tamperproof Hex Bits (MM): 2mm / 2.5mm / 3mm / 4mm / 5mm / 6mm