These are hardened steel industry standard mini hex sized screw driver tips. The tips are CRV steel which is very durable.

• These are well made precision, handy magnetic micro screwdriver tips - shaft size 2.5mm
• They fit the tiny Phillips head screws in smart cell phones, laptops and all small electronics
• These are marked PH00, but many manufacturers would call it a PH000
• No hassle 90 day replacement warranty on factory defects and workmanship.
• Great addition or replacement tip for your mini multi tipped screwdriver, CRV hardened

These are well made precision, handy magnetic micro screwdriver tips - shaft size 2.5mmVarious