Sizes T-5 and T-6 are 6 point star bits commonly used on cell phones and hard drives(no center hole)
Sizes T-7,T-8,T-9, T-10 and T-15 are 6 point tamper-proof security bits (with center hole)
Heat treated alloy steel, Precision machined sandblasted bits
Includes 1/4' hex to 1/4' square drive adapter to fit a cordless drill, nut driver, or ratchet.
Includes plastic storage case so the bits you need are always handy

Technical Details

Size (LWH): 5.6 inches, 2.4 inches, 0.2 inches
Product Details
Product Dimensions: 5.6 x 2.4 x 0.2 inches
Shipping Weight: 0.15 pounds (View shipping rates and policies)
ASIN : B0002SPICU