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The ProMax step drill bit set is a versatile tool designed for drilling applications in various industries such as automotive and aviation with its high-speed steel construction that ensures durability and precision. The set includes four pieces ranging from 0.125 inches to 1.375 inches in size, allowing precise holes on different material thicknesses. With its versatility, the ProMax step drill bit set is ideal for professional engineers or technicians who require high-precision drilling operations.
