The Snap-on Tools DBTB121 Jobber Length THUNDERBIT® High Speed Steel drill bits are designed for automotive use and feature a SAE system of measurement. This set includes 19 loose bits, each manufactured in the United States by Snap-on. With a durable high-speed steel construction and no warranty, these drill bits are a reliable choice for various automotive tasks. Please see photos for details, bits are loose without a case and these loose set contains 19 bits.