Star type hollow type: T8-T10-T15-T20-T25-T27-T30-T35-T40/
Hexagonal hollow type (inch): 5/64"-3/32"-7/64"-1/8"-9/64"-
5/32"
Hexagonal hollow type (metric): 2-2.5-3-4-5-6mm/Y-type
screwdriver head: 4-6-8-10
Rotating trigeminal type: 1-2-3- 4/Rotating four-fork type: 6-8-
10
Built-in screwdriver head extension connector