25 in one multi-function glasses screw

Set type: Multi-function combination set
Number of pieces included: 25 in one
Material; chrome vanadium alloy steel
Blade size; 1/4
Product Name: 25-in-1 Portable Screwdriver Set Tool Kit Screwdriver
  24 cutter heads + 1 sleeve
  Product Description: Leather jacket, the same size as the wallet, easy to carry.
  Scope: Most mobile phones, computers, game consoles, tablets, clocks, watches, glasses, etc.
  Material: chrome vanadium alloy steel
Handle with bit length 110mm
The length of the bit is 33mm? 6?7