详细规格及用途描述

Special design made for releasing broken screw without drilling a hole.
Used with Impact Driver easy to release broken screw.
It can be used same regular method to drill a hole also.
New patent & easy operation

5 – Cr-v Screw Extractor
No.1 (1/8” ~ 1/4” M3 ~ M6)
No.2 (1/4” ~ 5/16” M6 ~ M8)
No.3 (5/16” ~ 7/16” M8 ~ M11)
No.4 (7/16” ~ 9/16” M11 ~ M14)
No.5 (9/16” ~ 3/4” M14 ~ M19)
Packing: 12 boxes/inner box 10 boxes/ctn.