4 pcs Hex HSS Step Drill Set in Wooden Box ( 3/8" Quick Change Hex Shank )
Surface: White Finish or Titanium Coated are available. Item No.: SDH401
Size include:
1/4" ~ 3/4" x 9 step 3/16" ~ 7/8" x 12 step 7/16" ~ 1-1/8" x 12 step 1/4" ~ 1-3/8" x 10 step