3/4" Standard QFB 100 Series Holder & Bit

TheQuick-Fit Bit System features a high-quality diamond grit available in 1″(25mm) and 3/4″ (19mm) diameters with Rapid, Standard, Fine and Ultra Finevarieties. It is designed to be quick to change without the use of a hex wrenchor locking tools. With a flip action of the holder's lever, you can change yourbit, or the grit of the bit, in seconds.