8pcs 7.9" Long Head Screwdriver Bit Security Bits Set 1/4" Hex Shanks Star Screw Driver Drill Bits

Features: 8piece 200mm/7.9” Length screwdriver set in the following size: tamper proof bits of T8, T10T15, T20, T25, T27, T30, T40
Sturdy alloy steel, which has high hardness up to 60HRC and high torques. Surfaces adopt special anti-rust surfaces treatments, can be used for a long time.
The screwdriver drill bit tip has a strong which is convenient for adsorbing screws and improving work efficiency
The head is precise made, the edges can be accurately locked screw, keeping the screws from slipping and making the more convenient.
6.35mm standard shanks, suitable for electric screwdriver, manual screwdriver, electric drill, group general tool

Specifications Name: 8PCS hollow batch
Sturdy Alloy Steel
Surfaces treatments: sandblasting
Handle type: 1/4 hexagonal handle (6.3mm)
Length: approx 200mm/7.9inches
Specifications: T8, T10T15 T20, T25, T27, T30, T40
Weight: 285g
7.9" Long Head Screwdriver Bit

Package Includes: 1Set 7.9" Long Head Screwdriver Bit

note: Due to the problems of lighting effects and there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.