Kreg Hex Shank Pocket-Hole Drill Bit Description The Kreg Hex Shank Pocket-Hole Drill Bit was designed and constructed with the same rigorous standards as our well-known standard round shank (KJD) drill bit. It features the same stepped bit design, the same high quality construction, but also features a new hex shank which increases hold strength and reduces slippage in the chuck. From the Manufacturer The Kreg Hex Shank Pocket-Hole Drill Bit was designed and constructed with the same rigorous standards as our well-known standard round shank (KJD) drill bit. It features the same stepped bit design, the same high quality construction, but also features a new hex shank which increases hold strength and reduces slippage in the chuck. Features: Made specifically for Pocket-Screw Joinery. 1/4" hex shank works with any quick change chuck. Hex shank with power groove resists slippage. Specialized stepped bit drills guide hole for screw. High quiality hardened steel for longevity. Product Details: Material: STEEL Shank Type: Hex Brand: KREG Tool Flute Type: Straight Surface Recommendation: Alloy Steel Manufacturer: Kreg Part Number: QUIK-BIT Item Weight: 0.16 ounces Item model number: QUIK-BIT Is Discontinued By Manufacturer: No Color: Original Version Material: STEEL Item Package Quantity: 1 Cutting Diameter: 0.38 Inches Included Components: Kreg Hex Shank Pocket-Hole Drill Bit Batteries Included?: No Batteries Required?: No Assembled Diameter: 0.38 Inches Date First Available: May 15, 2008