SD SPADE BIT SET 6"L 6PC *Brand Name: Diablo *Sub Brand: SPEEDemon *Overall Length: 6 in. *Material: High Speed Steel *Product Type: Spade Bit Set *Number in Package: 6 pc *Packaging Type: Clamshell *Shank Type: Hex Shank *Shank Diameter: 1/4 in. *Discovery ACC, CON, NBR, SUP