Welcome to Sinolite Tools Limited!
1)Product: 3pcs/set HSS Step Drill
Material: M2, M35
Sizes: Step 1/8"-1/2" 1/4"-3/4" 3/16"-1/2"
Titanium finish
packed in double blister with plastic bag inside
Application: cutting holes on metal sheet, can be used to drill 28pcs for different hole sizes
2)HSS Step Drill 3pcs/set Sizes: Step 1/8"-1/2" 1/4"-3/4" 3/16"-1/2"