【HIGH QUALITY】: The screw extractor are made of high hardness CR-MO steel. 【DIVERSIFIED LASERS SIZE】:The kit includes 5 sizes from 1#-5/64", 2#-7/64", 3#-5/32", 4#-1/4", 5#-17/64", and 6#-13/32" to ensure that you have the right extractor for every situation.
