Industrial Strength CR-V Alloy Steel – We Made These 8 Point Star Bits From the Hardest Alloy Steel Available and We’ve Done Exhaustive Testing to Ensure These Bits Will Not Round Or Snap. As With Any Screw Bit, For Extra Longevity You’ll Always Want to Make Sure the Screw isn’t Locked in Place (Rust, Glue, or Weld) Before You Attempt to Loosen.