5 pcs HSS Step Drill Set in Wooden Box
Surface: White Finish or Titanium Coated are available.
Item No.: SDT502
Size include: ( Three Flat Shank )
4 - 12mm x 5 step 4 - 12mm x 9 step 6 - 18mm x 7 step 4 - 22mm x 10 step 6 - 35mm x 13 step