Bit Adapter - 1/4" to 1/4" - Turn Any Ratchet Into a Driver! Now with Quick-Change By Pro Tools Ingenious adapter lets you turn any hand or power tool with 1/4" anvil into a quick-change driver Use with ANY 1/4"-shank quick-change bit - screwdriver, TORX, security, tamper-proof, hex Get high-productivity fastener driving without expensive driver socket Works with hand ratchets & driver handles, power tools and air tools; also available for 3/8"-drive Heavy-duty Chrome-Vanadium steel alloy holds up to even high-torque applications