Superior quality M2 High Speed Steel drill bit, welded to a flexible shaft. Cuts both metal and wood. No need to worry about hidden nails or metal studs when drilling.-Main Features- Drill Bit Type: 1 x Twist Drill Bit - 0.38" Diameter-Drill Bit Length: 72"-Material: Steel Bit-- - - - Marketing Information- Superior quality M2 High Speed Steel drill bit, welded to a flexible shaft. Cuts both metal and wood. No need to worry about hidden nails or metal studs when drilling.- - - Information- Name:3/8 X72 HSS FLEX BITCategory:Drill Bits ?Tools & HardwareUPC Code:742585438723 Also known as -B.E.S. 3/ 8 X72 HSS FLEX BIT - 2E-FLX3872-B.E.S. FLX3872 3/8 X 72 High-Speed Steel Flex Bit