Halls MC10M MC 10M High-Speed Steel Step Drill 4-30mm Power Tool Kits It contains a highly efficient

It contains a highly efficient sheathed heating element with aluminium diffuser

Packed in metal case in display sleeve

Uses mechanical advantage of the thread of the tap tail to remove stiff nuts

a padlock hasp for added security

Halls MC10M MC 10M High-Speed Steel Step Drill 4-30mm Power Tool Kits It contains a highly efficientThe Halls MC High Speed Steel Step Drill provides an easy way to cut the hole size you want. Each tool cuts parallel hole sizes. For use on sheet metal to stated maximum thickness. Size range. 4,6,8,10,12,14,16,18,20,22,24,26,28,30mm Maximum Material Thickness. 4mm. Shank to fit size. 13mm. When drilling metals always use a coolant.