Foos straight bits are designed to be your sharpest longest lasting bits in your arsenal. This is a 3 piece set that contains: 3. 1/4-inch Shank, 2-1/4-inch Overall Lengt , Cut diameter 1/4-inch, cut length 1-inch. 2. 1/4-inch Shank, 2-1/4-inch Overall Lengt , Cut diameter 3/16-inch, cut length 9/16-inch. 3. 1/4-inch Shank, 2-1/4-inch Overall Lengt , Cut diameter 1/8-inch, cut length 9/16-inch. Trust a veteran owned company for the safest and longest lasting tools.