WHOLESALE 13 PACK DRILL BIT SET Hardened and tempered, alloy steel construction. Precision roll forged flutes. Multi purpose bits are ideal for wood or plastic. Drill bit sizes included: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 5/64", and 1/4". Organizer case included.