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Upgrade your drilling capabilities with this Irwin Step Drill Bit Set, perfect for metalworking projects! These cobalt steel bits feature a self-starting split point that prevents walking while drilling and steps of increasing diameter for a clean hole progression. With a size range from 1/8 in to 3/4 in, these versatile bits are ideal for working with sheet metal and other thin materials. Don't compromise on precision invest in the quality and durability of this Irwin Step Drill Bit Set today!