Wera 889/4/1 K Rapidaptor Universal Bit Holder for 1/4" Hex Drives, 2" Long Rapidaptor Universal Bit holder with quick-release chuck for 1/4-inch hex drive insert and power bits Allows for quick one-handed bit exchange for both insert and power bits Bits are easily inserted with press-in and self-locking mechanism Free-spinning outer sleeve stabilizes power tool during screwdriving Limited Lifetime Warranty, German Engineered